SNI 04-6627-2001 Insulator for overhead lines with a nominal voltage above 1000 V - Ceramic insulators for a.c. systems - Characteristic of insulator units of the long road type
2001SNI 04-6627-2001 Insulator for overhead lines with a nominal voltage above 1000 V - Ceramic insulators for a.c. systems - Characteristic of insulator units of the long road type