IEC: 383 - 1976 (Amendment No.1 - 1980); Tests on insulators of ceramic material or glass for overhead lines with a nominal volage greater than 1000V
IEC: 383 - 1976 (Amendment No.1 - 1980); Tests on insulators of ceramic material or glass for overhead lines with a nominal volage greater than 1000V
- Geneva IEC 1980
- 11p
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