High-voltage switchgear and controlgear - Part 4: Handling procedures for sulphur hexafluoride (SF<(Index)6>) and its mixtures (IEC 62271-4:2013); German version EN 62271-4:2013
高压开关设备和控制设备.第4部分:六氟化硫(SF<(索引)6>及其混合物的处理程序(IEC 62271-4-2013);德文版EN 62271-4:2013