NF C66-042*NF EN 61466-2:2000 Composite string insulator units for overhead lines with a nominal voltage greater than 1 kV - Part 2 : dimensional and electrical characteristics
2000NF C66-042*NF EN 61466-2:2000 Composite string insulator units for overhead lines with a nominal voltage greater than 1 kV - Part 2 : dimensional and electrical characteristics