
Amendment 1 - Boxes and enclosures for electrical accessories for household and similar fixed electrical installations Part 23: Particular requirements for floor boxes and enclosures
出版:International Electrotechnical Committee

专家解读视频
Amendment 1 - Boxes and enclosures for electrical accessories for household and similar fixed electrical installations Part 23: Particular requirements for floor boxes and enclosures
出版:International Electrotechnical Committee
专家解读视频