Draft Document - Low-voltage switchgear and controlgear assemblies - Part 4: Particular requirements for assemblies for construction sites (ACS) (IEC 17D/436/CDV:2011); German version FprEN 61439-4:2011
文件草案-低压开关设备和控制设备组件-第4部分:施工现场组件(ACS)的特殊要求(IEC 17D/436/CDV:2011);德文版FprEN 61439-4:2011