IEC - International Electrotechnical Commission - IEC 60431B:1978
Second supplement
revised
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| Organization: | IEC - International Electrotechnical Commission |
| Publication Date: | 1 January 1978 |
| Status: | revised |
| Page Count: | 7 |
Document History
IEC 60431B:1978
January 1, 1978
Second supplement
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