NF C52-216-3/A2*NF EN 50216-3/A2:2006 Power transformer and reactor fittings - Part 3 : protective relay for hermetically sealed liquid-immersed transformers and reactors without gaseous cushion
2006NF C52-216-3/A2*NF EN 50216-3/A2:2006 Power transformer and reactor fittings - Part 3 : protective relay for hermetically sealed liquid-immersed transformers and reactors without gaseous cushion