Home / Standards / GB/T 1444-2008 GB/T 1444-2008 Active Edison screw lampholders specially used for explosion-proof liminaires 防爆灯具专用螺口式灯座 Standard Type GBT ICS 29.140.10 CCS K74 Status 现行 Issue Date 2008-12-31 Implementation 2010-02-01 Responsible Dept 中国轻工业联合会 Drafting Unit N/A