Switches for household and similar fixed electrical installations - Part 2-3: Particular requirements - Time delay switches (TDS) (IEC 60669-2-3:2006); German version EN 60669-2-3:2006
家用和类似用途固定电气装置用开关.第2-3部分:特殊要求.延时开关(TDS)(IEC 60669-2-3-2006);德文版EN 60669-2-3:2006