Draft Document - Boxes and enclosures for electrical accessories for household and similar fixed electrical installations - Part 23: Particular requirements for floor boxes and enclosures (IEC 60670-23:2006/A1:2016); German version EN 60670-23:2008/prA1:2021
文件草案.家用和类似用途固定式电气装置用电气附件的盒和外壳.第23部分:地板盒和外壳的特殊要求(IEC 60670-23-2006/A1-2016);德文版EN 60670-23:2008/prA1:2021