Draft Document - Low-voltage switchgear and controlgear - Part 6-1: Multiple function equipment - Transfer switching equipment (IEC 17B/1783/CDV:2012); German version EN 60947-6-1:2005/FprA1:2012
文件草案-低压开关设备和控制设备-第6-1部分:多功能设备-转换开关设备(IEC 17B/1783/CDV:2012);德文版EN 60947-6-1:2005/FprA1:2012