IEC: 383 - 1 - 1993; Insulators for overhead lines with a nominal voltage above 1000 V Part 1 Ceramic or glass insulator units for a.c. systems- definitions, test methods, and acceptance criteria
IEC: 383 - 1 - 1993; Insulators for overhead lines with a nominal voltage above 1000 V Part 1 Ceramic or glass insulator units for a.c. systems- definitions, test methods, and acceptance criteria
- Geneva IEC 1993
- 111p
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