IEC: 367 - 1 - 1982 (Amendment No.1 - 1984); Cores for inductors and transformers for telecommunications Part 1 measuring methods
IEC: 367 - 1 - 1982 (Amendment No.1 - 1984); Cores for inductors and transformers for telecommunications Part 1 measuring methods
- Geneva IEC 1984
- 3p
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