GB/T 16915.7-2017家用和类似用途固定式电气装置的开关第2-6部分:外部或内部标识和照明用消防开关的特殊要求国家标准
英文:Switches for household and similar fixed electrical installations—Part 2-6: Particular requirements for fireman’...
英文:Switches for household and similar fixed electrical installations—Part 2-6: Particular requirements for fireman’...