IEC - International Electrotechnical Commission - IEC 60417C:1977
Third supplement.
revised
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| Organization: | IEC - International Electrotechnical Commission |
| Publication Date: | 1 January 1977 |
| Status: | revised |
| Page Count: | 27 |
| ICS Code (Public information symbols. Signs. Plates. Labels): | 01.080.10 |
abstract:
Earth, clean (noiseless) earth, protective earth, frame or chassis, equipotentiality, omnidirectional microphone, bidirectional microphone, unidirectional or cardioid microphone, hydrophone,... View More
Document History
IEC 60417C:1977
January 1, 1977
Third supplement.
Earth, clean (noiseless) earth, protective earth, frame or chassis, equipotentiality, omnidirectional microphone, bidirectional microphone, unidirectional or cardioid microphone, hydrophone,...