
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

專家解讀視頻
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
專家解讀視頻