NF C64-471-211*NF EN 62271-211:2014 High-voltage switchgear and controlgear - Part 211 : direct connection between power transformers and gas-insulated metal-enclosed switchgear for rated voltages above 52 kV
2014NF C64-471-211*NF EN 62271-211:2014 High-voltage switchgear and controlgear - Part 211 : direct connection between power transformers and gas-insulated metal-enclosed switchgear for rated voltages above 52 kV