Home / Standards / GB 19148.1-2003 GB 19148.1-2003 Abolished Types and dimensions of Edison screw lampholders 螺口式灯座的型式和尺寸 Standard Type GB ICS 29.140.10 CCS K74 Status 废止 Issue Date 2003-05-26 Implementation 2004-01-01 Responsible Dept 中国轻工业联合会 Drafting Unit 中国轻工业联合会