
Edison screw lampholders (IEC 60238, Ed. 8.2 (2011) MOD) (Amendment 1 to Amendment 2 of AS 60238:2015)
出版:Standards Australia

專家解讀視頻
Edison screw lampholders (IEC 60238, Ed. 8.2 (2011) MOD) (Amendment 1 to Amendment 2 of AS 60238:2015)
出版:Standards Australia
專家解讀視頻