GB/T 16915.4-2019家用和类似用途固定式电气装置的开关第2-3部分:延时开关(TDS)的特殊要求国家标准
英文:Switches for household and similar fixed-electrical installations—Part 2-3: Particular requirements for time delay sw...
英文:Switches for household and similar fixed-electrical installations—Part 2-3: Particular requirements for time delay sw...