Switches for household and similar fixed-electrical installations Part 1: General requirements (IEC 60669-1:1998, modified + A1:1999, modified + A2:2006, modified); German version EN 60669-1:1999 + A1:2002 + Corrigendum:2007 + A2:2008
家用和类似用途固定电气装置用开关第1部分:一般要求(IEC 60669-1-1998 修改+A1:1999 修改+A2:2006 修改);德文版EN 60669-1:1999+A1:2002+勘误表:2007+A2:2008