Draft Document - Boxes and enclosures for electrical accessories for household and similar fixed electrical installations - Part 21: Particular requirements for boxes and enclosures with provision for suspension means (IEC 60670-21:2004, modified); German version prEN 60670-21:2005
文件草案.家用和类似用途固定电气装置用电气附件的箱和外壳.第21部分:带悬挂装置的箱和外壳的特殊要求(IEC 60670-21-2004 修改);德文版prEN 60670-21:2005