1970IEC 60383:1983 Tests on insulators of ceramic material or glass for overhead lines with a nominal voltage greater than 1 000 V
1970IEC 60383:1976/AMD1:1980 Amendment 1 - Tests on insulators of ceramic material or glass for overhead lines with a nominal voltage greater than 1 000 V
1970IEC 60383:1976 Tests on insulators of ceramic material or glass for overhead lines with a nominal voltage greater than 1 000 V
1970IEC 60383:1972 Tests on insulators of ceramic material or glass for overhead lines with a nominal voltage greater than 1 000 V