GB/T 1444-2008
防爆灯具专用螺口式灯座
Edison screw lampholders specially used for explosion-proof liminaires
2008-12-31
GB/T 19148.1-2008
灯座的型式和尺寸 第1部分：螺口式灯座
Types and dimensions of lampholder - Part 1：Screw lampholder
2008-04-29
GB/T 1483.1-2008
灯头、灯座检验量规 第1部分：螺口式灯头、灯座的量规
Gauges for lamp caps and holders - Part 1 : Gauges for screw caps and holders
2008-04-29
QB/T 4541-2013
免焊螺口式灯头 技术要求
Solder-free screw caps—Technical specification
2013-10-17
GB/T 5653-2008
扩口式管接头技术条件
Flared couplings - Specification
2008-05-07