NF C66-042/A1*NF EN 61466-2/A1:2003 Composite string insulator units for overhead lines with a nominal voltage greater than 1 kV - Part 2 : dimensional and electrical characteristics
2003NF C66-042/A1*NF EN 61466-2/A1:2003 Composite string insulator units for overhead lines with a nominal voltage greater than 1 kV - Part 2 : dimensional and electrical characteristics