29.120.60 (14)
59.080.60 (4)
91.070.10 (1)
91.070.80 (1)
91.100.10-30 (5)
91.100.30-10 (4)
91.100.30-20 (12)
91.100.50-20 (2)
91.120.30-10 (1)
Accessories for lifting equipment (2)
Accessories (7)
Accident and disaster control (59)
Acid secondary cells and batteries (16)
Acoustic measurements and noise abatement in general (20)
Acoustics in building. Sound insulation (7)
Additive manufacturing (5)
Adhesives (184)
Adhesives (1)
Advanced ceramics (34)
Aerials (1)
Aerosol containers (6)
Aerospace electric equipment and systems (453)
Aerospace engines and propulsion systems (9)
Aerospace fluid systems and components (7)
Agricultural machines and equipment in general (23)
Agricultural tractors and trailed vehicles (24)
Agriculture (Vocabularies) (6)
Agriculture (2)
Aids and adaptation for moving (5)
Aids for deaf and hearing impaired people (1)
Aids for disabled and handicapped persons in general (8)
Air mode containers, pallets and nets (2)
Air quality in general (21)
Aircraft and space vehicles in general (70)
Alarm and warning systems (34)
Alcohols. Ethers (14)
Aldehydes and ketones (5)
Aliphatic hydrocarbons (8)
Alkaline secondary cells and batteries (13)
Aluminium and aluminium alloys (17)
Aluminium electrolytic capacitors (7)
Aluminium products (11)
Aluminium structures (4)
Aluminium (3)
Ambient atmospheres (31)
Amplifiers (6)
Anaesthetic, respiratory and reanimation equipment (44)
Analytical chemistry in general (2)
Animal and vegetable fats and oils (10)
Animal feeding stuffs (7)
Animal husbandry and breeding (2)
Application layer (10)
Application of information technology in general (1)
Application of statistical methods (24)
Applications of information technology (2)
Aramide materials (1)
Aromatic hydrocarbons (3)
Astronomy. Geodesy. Geography (1)
Audio, video and audiovisual engineering (12)
Audio, video and audiovisual systems in general (16)
Automatic controls for household use (43)
Automatic identification and data capture techniques (8)
Auxiliary materials and additives for plastics (1)
Balancing and balancing machines (3)
Ball and plug valves (2)
Bases (1)
Binders. Sealing materials (84)
Binders (1)
Biofuels (1)
Biological evaluation of medical devices (5)
Biological properties of soils (25)
Biological sources and alternative sources of energy (8)
Biology. Botany. Zoology (24)
Bodies and body components (5)
Body care equipment (13)
Boilers and heat exchangers (16)
Bolts, screws, studs (2)
Bolts, screws, studs (14)
Braking systems (1)
Brazing and soldering (6)
Bridge construction (15)
Building accessories (16)
Buildings and installations for processing and storage of agricultural produce (6)
Buildings for commerce and industry (5)
Buildings in general (25)
Burners and boilers in general (2)
Buses (1)
Bushings (1)
Cabled distribution systems (6)
Cables (96)
Cableway equipment (25)
Cadmium and cobalt products (2)
Cadmium, cobalt and their alloys (1)
Camping equipment and camp-sites (4)
Capacitors in general (9)
Car informatics. On board computer systems (35)
Carbon materials (4)
Cargo equipment (8)
Cargo spaces (9)
Cases. Boxes. Crates (19)
Ceilings. Floors. Stairs (14)
Cellular materials (17)
Cement. Gypsum. Lime. Mortar (91)
Central heating systems (17)
Ceramic and mica capacitors (4)
Ceramic products (12)
Ceramics in general (4)
Character symbols (1)
Characteristics and design of machines, apparatus, equipment (11)
Check valves (3)
Chemical analysis of metals (6)
Chemical analysis (48)
Chemical characteristics of soils (28)
Chemical elements (20)
Chemical laboratories. Laboratory equipment (28)
Chemical reagents (14)
Chemical technology (Vocabularies) (1)
Chemicals for industrial and domestic disinfection purposes (24)
Chimneys, shafts, ducts (3)
Civil engineering in general (1)
Cleaning appliances (31)
Cleanrooms and associated controlled environments (8)
Clothes (16)
Cloud computing (5)
Coals (40)
Coated fabrics (6)
Coatings and related processes used in aerospace industry (32)
Coaxial cables. Waveguides (28)
Coding of audio, video, multimedia and hypermedia information (3)
Coding of graphical and photographical information (1)
Colour coding (11)
Colours and measurement of light (33)
Commercial refrigerating appliances (2)
Company organization and management in general (14)
Complete, filled transport packages (18)
Components and accessories for telecommunications equipment (1)
Components and accessories in general (2)
Components for aerospace construction (5)
Components for conveyors (3)
Components for electrical equipment in general (3)
Components for rotating machines (4)
Compressors and pneumatic machines (2)
Computer graphics (2)
Concrete and concrete products (195)
Concrete structures (292)
Conduits for electrical purposes (43)
Connecting devices (74)
Construction equipment (25)
Construction industry in general (8)
Construction materials and building (Vocabularies) (19)
Construction materials in general (7)
Construction of airports (18)
Construction of railways (31)
Construction of waterways, ports and dykes (32)
Construction technology (6)
Contractual aspects (4)
Control components (3)
Control equipment for electric power systems (2)
Conveyors (10)
Cooking ranges, working tables, ovens and similar appliances (17)
Cooling systems. Lubricating systems (5)
Copper and copper alloys (6)
Copper products (6)
Cork and cork products (1)
Corrosion of metals (271)
Cosmetics microbiology (8)
Cosmetics. Toiletries (52)
Couplings (1)
Cranes (12)
Crash protection and restraint systems (9)
Crude petroleum (9)
Cryogenic vessels (14)
Cutting tools in general (2)
Cycles (4)
Data communication networks (3)
Data link layer (13)
Dental materials (2)
Dentistry in general (4)
Diagnostic equipment (5)
Diagnostic, maintenance and test equipment (49)
Digital Enhanced Cordless Telecommunications (DECT) (9)
DINGCD22 (2)
DINGCD23 (2)
DINGCD24 (3)
Diodes (8)
Dishwashers (4)
Disinfectants and antiseptics (24)
Dividing and tool-workpiece holding devices (2)
Document imaging applications (3)
Documents in administration, commerce and industry (6)
Domestic electrical appliances in general (16)
Domestic refrigerating appliances (9)
Domestic safety (99)
Domestic, commercial and industrial heating appliances (1)
Doors and windows (88)
Drainage systems (4)
Drills, countersinks, reamers (2)
Drinking water (10)
Earth-moving machinery (28)
Earthworks. Excavations. Foundation construction. Underground works (78)
Education (4)
Electric filters (4)
Electric furnaces (13)
Electric heaters (16)
Electric road vehicles (79)
Electric tools (12)
Electric traction equipment (87)
Electrical accessories in general (17)
Electrical accessories (8)
Electrical and electronic equipment. Control systems (3)
Electrical and electronic equipment (59)
Electrical and electronic testing (65)
Electrical and electronics engineering drawings (6)
Electrical apparatus for explosive atmospheres (204)
Electrical engineering (Vocabularies) (11)
Electrical engineering in general (282)
Electrical engineering (2)
Electrical equipment for working in special conditions in general (4)
Electrical equipment for working in special conditions (10)
Electrical equipment of ships and of marine structures (55)
Electrical installations for outdoor use (4)
Electrical insulation in general (23)
Electrical wires and cables in general (1)
Electrical wires and cables (5)
Electricity supply systems (82)
Electricity. Magnetism. Electrical and magnetic measurements (9)
Electricity. Magnetism. General aspects (43)
Electroacoustics (21)
Electromagnetic compatibility (EMC) (21)
Electromagnetic compatibility in general (40)
Electromechanical components for electronic and telecommunications equipment (2)
Electromechanical components in general (12)
Electronic component assemblies (26)
Electronic components in general (74)
Electronic display devices (3)
Electronic tubes (15)
Electronics (Vocabularies) (7)
Electronics (1)
Elements of buildings in general (15)
Elements of buildings (1)
Emission (77)
Enamels (10)
Energy and heat transfer engineering (Vocabularies) (4)
Energy and heat transfer engineering in general (1)
Energy efficiency. Energy conservation in general (3)
Environment and environmental protection in general (10)
Environment. Health protection. Safety (Vocabularies) (53)
Environment. Health protection. Safety (1)
Environmental economics. Sustainability (3)
Environmental impact assessment (23)
Environmental management (19)
Environmental protection (4)
Environmental testing (42)
Equipment for children (16)
Equipment for drilling and mine excavation (19)
Equipment for entertainment in general (1)
Equipment for petroleum and natural gas industries in general (11)
Equipment for railway/cableway construction and maintenance (7)
Equipment for storage, preparation and distribution of fertilizers (23)
Equipment for telex, teletext, telefax (1)
Equipment for the chemical industry in general (3)
Equipment for the metallurgical industry (6)
Equipment for the paper industry (2)
Ergonomics (33)
Esters (3)
Examination of biological properties of water (36)
Examination of physical properties of water (6)
Examination of soils in general (22)
Examination of water for chemical substances (169)
Examination of water in general (21)
Exploratory, drilling and extraction equipment (42)
Explosion protection (112)
Explosives. Pyrotechnics and fireworks (86)
Exterior building lighting (2)
External sewage systems (15)
External structures (25)
External water conveyance systems (10)
Extraction and processing of petroleum and natural gas (9)
Farm buildings and installations in general (2)
Fasteners in general (23)
Ferrous metals in general (1)
Fertilizers (21)
Fibre and particle boards (5)
Fibre optic communications (1)
Fibre optic interconnecting devices (30)
Fibre optic systems in general (51)
Fibres and cables (19)
Films and sheets (48)
Filters, seals and contamination of fluids (2)
Finances. Banking. Monetary systems. Insurance (13)
Fire protection (182)
Fire-fighting (102)
Fire-resistance of building materials and elements (142)
First aid (5)
Fish and fishery products (3)
Fishing and fish breeding (4)
Fissile materials and nuclear fuel technology (45)
Fixed capacitors (24)
Fixed resistors (17)
Flanges, couplings and joints (1)
Flat steel products and semi-products (44)
Floor coverings (10)
Flow in closed conduits (8)
Flow in open channels (13)
Fluid power systems in general (21)
Fluorescent lamps. Discharge lamps (9)
Food additives (1)
Food microbiology (1)
Footwear (8)
Forensic science (6)
Forestry equipment (14)
Forging equipment. Presses. Shears (2)
Fruits and derived products (3)
Fuel cells (15)
Fuel furnaces (3)
Fuel systems (4)
Furniture (4)
Fuses and other overcurrent protection devices (245)
Galvanic cells and batteries (1)
Gas and steam turbines. Steam engines (16)
Gas cylinders (15)
Gas fuel burners (2)
Gas heaters (4)
Gas supply systems (10)
Gaseous fuels (29)
Gases for industrial application (7)
Gate valves (1)
Gears (5)
General methods of tests and analysis for food products (3)
General purpose containers (11)
General purpose pallets (4)
General standards related to shipbuilding and marine structures (40)
Generating sets (3)
Generators (2)
Geology. Meteorology. Hydrology (42)
Geotextiles (58)
Glass and ceramic insulating materials (3)
Glass in building (23)
Glass products (9)
Glazing and wiper systems (4)
Globe valves (7)
Governance and ethics (1)
Graphic technology in general (1)
Graphical symbols for use on electrical and electronics engineering drawings, diagrams, charts and in relevant technical product documentation (13)
Graphical symbols for use on information technology and telecommunications technical drawings and in relevant technical product documentation (1)
Graphical symbols for use on mechanical engineering and construction drawings, diagrams, plans, maps and in relevant technical product documentation (29)
Graphical symbols for use on specific equipment (8)
Ground service and maintenance equipment (12)
Hand and arm protection (45)
Hand-operated tools (1)
Harvesting equipment (4)
Head protective equipment (320)
Headgear. Clothing accessories. Fastening of clothing (1)
Health care technology (Vocabularies) (5)
Heat pumps (44)
Heat recovery. Thermal insulation (26)
Heat. Calorimetry (29)
Heating appliances in general (1)
High voltage switchgear and controlgear (79)
Hinges, eyelets and other articulated joints (2)
Home economics in general (5)
Home textiles. Linen (6)
Horticultural equipment (6)
Hoses and hose assemblies (23)
Hoses (20)
Hospital equipment (81)
Housings, enclosures, other machine parts (2)
Hulls and their structure elements (28)
Hunting (12)
Hydraulic construction (1)
Hydraulic energy engineering (3)
Hydraulic fluids (12)
Hydrogen technologies (1)
Hydrological properties of soils (15)
Identification cards. Chip cards. Biometrics (273)
Ignitability and burning behaviour of materials and products (151)
Image technology (Vocabularies) (5)
Immunity (70)
Implants for surgery, prosthetics and orthotics (78)
In vitro diagnostic test systems (4)
Incandescent lamps (1)
Indicating and control devices (1)
Indoor sports equipment (13)
Industrial automation systems in general (15)
Industrial automation systems (11)
Industrial furnaces in general (1)
Industrial process measurement and control (49)
Industrial robots. Manipulators (25)
Industrial trucks (7)
Information coding in general (7)
Information coding (75)
Information sciences (5)
Information technology (IT) in general (52)
Information technology (Vocabularies) (5)
Information technology (1)
Inks. Printing inks (14)
Inland navigation vessels (1)
Inorganic chemicals in general (7)
Installations and equipment for waste disposal and treatment (37)
Installations in buildings in general (4)
Installations in buildings (1)
Insulating fluids in general (4)
Insulating fluids (3)
Insulating gases (14)
Insulating materials in general (66)
Insulating oils (79)
Insulation systems (17)
Insulation (1)
Insulators (12)
Integrated circuits. Microelectronics (300)
Integrated Services Digital Network (ISDN) (1)
Interface and interconnection equipment (51)
Interior finishing (10)
Interior lighting (2)
Internal combustion engines for road vehicles in general (1)
Internal combustion engines (25)
Internet applications (3)
Iron and steel castings (7)
Iron and steel forgings (7)
Iron and steel pipes (80)
Iron and steel products in general (1)
Irons (1)
Irrigation and drainage equipment (1)
IT applications in banking (22)
IT applications in building and construction industry (9)
IT applications in education (5)
IT applications in health care technology (81)
IT applications in industry (15)
IT applications in information, documentation and publishing (25)
IT applications in office work (2)
IT applications in other fields (41)
IT applications in postal services (1)
IT applications in science (10)
IT applications in trade (5)
IT applications in transport (85)
IT Security (100)
IT terminal and other peripheral equipment (16)
Items of art and handicrafts. Cultural property and heritage (23)
Kitchen equipment (1)
Kitchen furniture (9)
Laboratory medicine in general (1)
Laboratory medicine (15)
Laboratory ware and related apparatus (6)
Laminated sheets (1)
Lamp caps and holders (11)
Lamps and related equipment (4)
Lamps in general (12)
Landscaping and silviculture (2)
Languages used in information technology (19)
Latex and raw rubber (1)
Laundry appliances (24)
Law. Administration (30)
Lead, zinc and tin products (8)
Lead, zinc, tin and their alloys (8)
Leather and furs (6)
Leg and foot protection (79)
Legal aspects (5)
Lifting and cargo handling equipment (2)
Lifts. Escalators (24)
Lighting installation systems (28)
Lighting, signalling and warning devices (6)
Lighting (2)
Lightning protection (139)
Limits and fits (1)
Linear and angular measurements in general (3)
Lines, connections and circuits (10)
Liquid and solid fuel burners (7)
Liquid fuels (178)
Liquid wastes. Sludge (11)
Low voltage switchgear and controlgear (169)
Lubricants, industrial oils and related products (194)
Lubrication systems (3)
Luminaires (18)
Machine tool systems in general (1)
Machine tools in general (4)
Magnesium and magnesium alloys (8)
Magnesium products (3)
Magnetic components (17)
Magnetic materials (82)
Management of human resources (19)
Management systems (15)
Manganese ores (5)
Manufacturing engineering (Vocabularies) (9)
Manufacturing processes in the rubber and plastics industries (8)
Marine engines and propulsion systems (4)
Marine ventilation, air conditioning and heating systems (1)
Masonry (15)
Materials and articles in contact with foodstuffs (7)
Materials and components for railway engineering (20)
Materials and components for shipbuilding (6)
Materials for aerospace construction in general (21)
Materials for aluminium production (2)
Materials for graphic technology (2)
Materials for the reinforcement of composites in general (5)
Mathematics (8)
Measurement of electrical and magnetic quantities (136)
Measurement of fluid flow in general (6)
Measurement of force, weight and pressure (16)
Measurement of time, velocity, acceleration, angular velocity (3)
Measurement of volume, mass, density, viscosity (3)
Measuring instruments (3)
Mechanical engineering drawings (2)
Mechanical structures for electronic equipment (34)
Mechanical systems and components for general use (Vocabularies) (3)
Mechanical testing of metals (99)
Mechanical testing (40)
Medical equipment in general (8)
Medical microbiology (12)
Medical science (1)
Medical sciences and health care facilities in general (12)
Medicaments (2)
Metal fittings (20)
Metal structures (53)
Metallic coatings (237)
Metallurgy (Vocabularies) (1)
Metro, tram and light rail equipment (3)
Metrology and measurement in general (9)
Metrology and measurement. Physical phenomena (Vocabularies) (1)
Microbiology in general (11)
Microbiology of water (27)
Microprocessor systems (11)
Military in general (11)
Milk and milk products in general (1)
Milk and processed milk products (6)
Mineral materials and products (30)
Mining and quarrying (2)
Mining equipment in general (6)
Miscellaneous domestic and commercial equipment (13)
Motion picture equipment (1)
Motorcycles and mopeds (10)
Motors (24)
Multilayer applications (109)
Multimedia systems and teleconferencing equipment (10)
Nanotechnologies (5)
Natural fibres (4)
Natural gas (11)
Navigation and control equipment (4)
Network layer (15)
Networking (54)
Nickel and chromium products (3)
Nickel, chromium and their alloys (9)
Noise emitted by machines and equipment (11)
Noise emitted by means of transport (9)
Noise with respect to human beings (1)
Non-alloyed steels (1)
Non-destructive testing of metals (37)
Non-destructive testing (65)
Non-ferrous alloys in general (1)
Non-ferrous metal pipes (5)
Non-ferrous metals in general (11)
Non-metalliferous minerals (3)
Nuclear energy engineering (2)
Nuclear energy in general (13)
Nuclear power plants. Safety (58)
Numerically controlled machines (1)
Nuts (1)
Occupational safety. Industrial hygiene (18)
Office machines (11)
Office paper (5)
On-board equipment and instruments (5)
Open systems interconnection (OSI) (11)
Open systems interconnection in general (10)
Ophthalmic equipment (14)
Optical equipment (14)
Optical measuring instruments (22)
Optical storage devices (3)
Optoelectronics. Laser equipment (56)
Organic chemicals in general (15)
Organic coatings (48)
Other agricultural machines and equipment (4)
Other aspects related to EMC (2)
Other aspects (8)
Other audio, video and audiovisual equipment (2)
Other capacitors (1)
Other cells and batteries (3)
Other components for electrical equipment (4)
Other construction materials (9)
Other data storage devices (2)
Other electrical accessories (34)
Other electrical equipment for working in special conditions (52)
Other electromechanical components (10)
Other elements of buildings (12)
Other equipment for entertainment (1)
Other equipment for telecommunication systems (19)
Other equipment for the chemical industry (1)
Other equipment related to power transmission and distribution networks (30)
Other fasteners (2)
Other fibre optic equipment (21)
Other forms of transport (4)
Other graphical symbols (1)
Other industrial automation systems (3)
Other inorganic chemicals (1)
Other installations in buildings (4)
Other insulating fluids (3)
Other iron and steel products (5)
Other kitchen equipment (2)
Other lifting equipment (11)
Other machine tool systems (1)
Other materials (7)
Other medical equipment (28)
Other methods of testing of metals (11)
Other mining equipment (4)
Other non-ferrous metals and their alloys (11)
Other organic chemicals (4)
Other paint ingredients (3)
Other pesticides and agrochemicals (1)
Other pipeline components (74)
Other products of non-ferrous metals (9)
Other products of the chemical industry (34)
Other products of the textile industry (4)
Other protective equipment (41)
Other resistors (3)
Other rubber and plastics products (30)
Other semiconductor devices (33)
Other services (8)
Other sports equipment and facilities (2)
Other standards related to aids for disabled and handicapped people (1)
Other standards related to air quality (1)
Other standards related to ceramics (7)
Other standards related to cinematography (2)
Other standards related to company organization and management (1)
Other standards related to electricity and magnetism (44)
Other standards related to environmental protection (46)
Other standards related to farm buildings and installations (2)
Other standards related to freight distribution of goods (22)
Other standards related to health care in general (7)
Other standards related to information coding (5)
Other standards related to laboratory medicine (18)
Other standards related to lamps (44)
Other standards related to linear and angular measurements (1)
Other standards related to microbiology (19)
Other standards related to nuclear energy (5)
Other standards related to optics and optical measurements (20)
Other standards related to pharmaceutics (3)
Other standards related to photography (4)
Other standards related to protection against fire (26)
Other standards related to protection of and in buildings (8)
Other standards related to quality (2)
Other standards related to road engineering (3)
Other standards related to rotating machinery (1)
Other standards related to shipbuilding and marine structures (55)
Other standards related to soil quality (8)
Other standards related to technical drawings (1)
Other standards related to thermodynamics (2)
Other standards related to wastes (13)
Other standards related to water quality (5)
Other switchgear and controlgear (17)
Other time-measuring instruments (1)
Other treatments and coatings (18)
Other valves (3)
Outdoor and water sports equipment (61)
Oxides (11)
Packaging and distribution of goods (Vocabularies) (1)
Packaging and distribution of goods in general (37)
Packaging materials and accessories (152)
Paint and colour industries (Vocabularies) (2)
Paint coating equipment (15)
Paint coating processes (96)
Paint ingredients in general (4)
Paints and varnishes (123)
Paper and board insulating materials (7)
Paper and board (7)
Paper and plastics capacitors (18)
Paper products (5)
Particle size analysis. Sieving (24)
Passenger and cabin equipment (2)
Passenger cars. Caravans and light trailers (7)
Patents. Intellectual property (13)
Pesticides and other agrochemicals in general (10)
Petroleum and related technologies (Vocabularies) (1)
Petroleum products and natural gas handling equipment (69)
Petroleum products in general (47)
Pharmaceutics in general (2)
Photographic equipment. Projectors (4)
Photographic paper, films and plates. Cartridges (2)
Photography in general (2)
Physical layer (24)
Physical planning. Town planning (3)
Physical properties of soils (18)
Physicochemical methods of analysis (76)
Physics. Chemistry (10)
Piezoelectric devices (28)
Pigments and extenders (6)
Pins, nails (1)
Pipeline components and pipelines in general (10)
Pipelines and its parts for external water conveyance systems (2)
Pipes and fittings of other materials (3)
Piping and couplings (1)
Piping systems (24)
Plain bearings (3)
Plant care equipment (198)
Plant growing (12)
Plants and equipment for the food industry (5)
Plastics and rubber insulating materials (202)
Plastics fittings (34)
Plastics in general (72)
Plastics pipes and fittings for non fluid use (6)
Plastics pipes (63)
Playgrounds (6)
Plug-and-socket devices. Connectors (35)
Plugs, socket-outlets, couplers (44)
Plywood (1)
Pollution, pollution control and conservation (54)
Postal services (6)
Potentiometers, variable resistors (12)
Powder metallurgy (11)
Power capacitors (30)
Power transmission and distribution lines (60)
Power transmission and distribution networks in general (52)
Power transmission and distribution networks (6)
Pressure regulators (17)
Pressure vessels (13)
Primary cells and batteries (7)
Printed circuits and boards (174)
Processes and auxiliary materials (9)
Processes in the food industry (1)
Processing equipment (2)
Product and company certification. Conformity assessment (11)
Product life-cycles (7)
Production in the chemical industry (7)
Production. Production management (20)
Products in fibre-reinforced cement (4)
Products of the chemical industry in general (7)
Properties of surfaces (14)
Protection against crime (49)
Protection against dangerous goods (18)
Protection against electric shock. Live working (140)
Protection against excessive pressure (53)
Protection against falling and slipping (68)
Protection against fire in general (69)
Protective clothing (527)
Protective equipment in general (20)
Public buildings (15)
Public information symbols. Signs. Plates. Labels (12)
Pulps (6)
Pumps and motors (5)
Pumps (13)
Purchasing. Procurement. Logistics (3)
Quality in general (8)
Quality management and quality assurance (3)
Quantities and units (6)
Radiation measurements (184)
Radiation protection (345)
Radio receivers (1)
Radio relay and fixed satellite communications systems (59)
Radiocommunications in general (1)
Radiographic equipment (40)
Radiographic films (1)
Rails and railway components (5)
Railway engineering in general (22)
Railway rolling stock in general (146)
Railway rolling stock (39)
Raw materials for rubber and plastics in general (5)
Reactor engineering (43)
Receiving and transmitting equipment (9)
Rectifiers. Converters. Stabilized power supply (59)
Recycling (4)
Refractories (11)
Refrigerants and antifreezes (101)
Refrigerating technology (52)
Reinforced plastics (6)
Relays (255)
Reproduction equipment (6)
Research and development (6)
Residential buildings (10)
Resistors in general (2)
Resistors (2)
Respiratory protective devices (124)
RF connectors (7)
Road construction materials (66)
Road construction (4)
Road equipment and installations (9)
Road transport (26)
Road vehicle engineering (Vocabularies) (3)
Road vehicle systems in general (2)
Road vehicle systems (1)
Road vehicle tyres (5)
Road vehicles engineering (1)
Road vehicles in general (20)
Roofs (55)
Rotating machinery in general (28)
Rotating machinery (10)
Rubber and plastics industries (Vocabularies) (7)
Rubber and plastics products in general (20)
Rubber and plastics products (1)
Rubber and plastics (8)
Rubber compounding ingredients (13)
Rubber (54)
Sacks. Bags (4)
Safety of machinery (135)
Salts (8)
Sanitary installations (7)
Seagoing vessels (6)
Seals, glands (7)
Seals (5)
Seismic and vibration protection (21)
Semi-manufactures of timber (5)
Semiconducting materials (22)
Semiconductor devices in general (99)
Semiconductor devices (7)
Sensory analysis (5)
Services for companies (6)
Services for consumers (12)
Services. Company organization, management and quality. Administration. Transport. Sociology. (Vocabularies) (1)
Sewage water (36)
Sewing machines and other equipment for the clothing industry (2)
Shipbuilding and marine structures (Vocabularies) (1)
Shipbuilding and marine structures in general (2)
Silicones (4)
Small craft (55)
Small kitchen appliances (29)
Smart textiles (2)
Sociology. Demography (1)
Software (37)
Soil quality and pedology in general (42)
Solar energy engineering (141)
Solid fuel heaters (3)
Solid fuels (4)
Solid wastes (11)
Solvents (13)
Space systems and operations (99)
Special purpose vehicles (13)
Special wastes (35)
Spices and condiments (1)
Sports equipment and facilities in general (10)
Sports facilities (25)
Spring steels (1)
Stainless steels (10)
Standardization. General rules (9)
Stationary containers and tanks (10)
Stationary source emissions (19)
Steel bars and rods (2)
Steel pipes and tubes for specific use (15)
Steel structures (32)
Steel wire, wire ropes and link chains (41)
Steels for pressure purposes (18)
Steels for reinforcement of concrete (15)
Steels with special magnetic properties (18)
Steels (2)
Steels (6)
Sterilization and disinfection in general (9)
Sterilized packaging (4)
Sterilizing equipment (2)
Storing. Warehousing (3)
Street lighting and related equipment (4)
Structure and structure elements (5)
Structures of buildings in general (13)
Substations. Surge arresters (20)
Superconductivity and conducting materials (9)
Surface active agents (31)
Surface preparation (25)
Surface treatment and coating in general (21)
Surface treatment (103)
Surgical instruments and materials (8)
Switches (96)
Switches (51)
Switchgear and controlgear in general (6)
Switchgear and controlgear (10)
Switching and signalling systems (3)
Syringes, needles and catheters (14)
Tantalum electrolytic capacitors (4)
Technical aspects (17)
Technical drawings in general (2)
Technical product documentation (15)
Telecommunication systems in general (3)
Telecommunication systems (4)
Telecommunication terminal equipment (2)
Telecommunications in general (6)
Telecommunications. Audio and video engineering (Vocabularies) (1)
Telecontrol. Telemetering (48)
Telephone equipment (1)
Telephone networks (51)
Television and radio broadcasting (8)
Television receivers (1)
Temperature-measuring instruments (68)
Terminology (principles and coordination) (5)
Terracotta building products (3)
Terrestrial Trunked Radio (TETRA) (18)
Test conditions and procedures in general (10)
Textile and leather technology (Vocabularies) (1)
Textile fabrics (62)
Textile fibres in general (1)
Textile glass materials (14)
Textile machinery in general (4)
Textiles in general (18)
Theatre, stage and studio equipment (1)
Therapy equipment (5)
Thermal and sound insulating materials (57)
Thermal insulation of buildings (32)
Thermistors (8)
Thermoplastic materials (38)
Thermosetting materials (9)
Thyristors (1)
Timber structures (9)
Tobacco, tobacco products and related equipment (3)
Toys (11)
Tractive stock (15)
Trade. Commercial function. Marketing (3)
Trailing stock (6)
Transformers. Reactors (112)
Transfusion, infusion and injection equipment (32)
Transistors (8)
Transmission systems (1)
Transmissions, suspensions (1)
Transport by rail (4)
Transport exhaust emissions (41)
Transport in general (26)
Trucks and trailers (12)
Tunnel construction (5)
Tyres in general (12)
Vacuum technology (6)
Valves in general (8)
Varnished fabrics (12)
Ventilation and air-conditioning systems (40)
Ventilation, air-conditioning and illumination equipment (5)
Ventilators. Fans. Air-conditioners (27)
Vessels and containers mounted on vehicles (4)
Veterinary medicine (17)
Vibration and shock with respect to human beings (4)
Vibrations, shock and vibration measurements (16)
Video systems (9)
Walls. Partitions. Façades (41)
Washers, locking elements (1)
Wastes in general (4)
Watches (1)
Water for industrial use (10)
Water heating equipment (15)
Water of natural resources (36)
Water quality in general (1)
Water supply systems (46)
Waterproofing (25)
Waxes, bituminous materials and other petroleum products (25)
Weapons (2)
Welded joints and welds (29)
Welding consumables (8)
Welding equipment (27)
Welding processes (22)
Welding, brazing and soldering in general (14)
Welding, brazing and soldering (3)
Wind turbine energy systems (38)
Winter sports equipment (30)
Wires and symmetrical cables (7)
Wires (14)
Wood technology (Vocabularies) (4)
Wood technology processes (2)
Wood, sawlogs and sawn timber (13)
Wood-based panels in general (7)
Wood-protecting chemicals (10)
Workplace atmospheres (35)
Wound dressings and compresses (7)
Yarns (13)