IEC - International Electrotechnical Commission - IEC 60417A:1974
First supplement.
revised
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| Organization: | IEC - International Electrotechnical Commission |
| Publication Date: | 1 January 1974 |
| Status: | revised |
| Page Count: | 30 |
abstract:
Automatic frequency control, fourteen symbols for ships' radar equipment; video, disc record player; four symbols for band-pass and band stop filters.
Document History
IEC 60417A:1974
January 1, 1974
First supplement.
Automatic frequency control, fourteen symbols for ships' radar equipment; video, disc record player; four symbols for band-pass and band stop filters.