DIN IEC/TS 61439-7 (2014-10)现行
Low-voltage Switchgear And Controlgear Assemblies - Part 7: Assemblies For Specific Applications Such As Marinas, Camping Sites, Market Squares, Electric Vehicles Charging Stations (iec/ts 61439-7:2014)
出版：Verband Deutscher Elektrotechniker
专家解读视频
