Standard:
DIN EN 60383-1 VDE 0446-1:1997-05Insulators for overhead lines with a nominal voltage above 1 kV Ceramic or glass insulator units for a.c. systems - Definitions, test methods and acceptance criteria |
Standard
withdrawn: DIN 57446-1 VDE 0446-1:1982-04Insulators for overhead lines, contact wires and telecommunication lines
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