Draft Document - High-voltage prefabricated switchgear and controlgear assemblies - Part 206: Voltage presence indicating systems (IEC 17C/457/CDV:2009); German version FprEN 62271-206:2009
文件草案——高压预制开关设备和控制设备组件——第206部分:电压存在指示系统(IEC 17C/457/CDV:2009);德文版FprEN 62271-206:2009