Home / Standards / GB/T 14634.1-2010 GB/T 14634.1-2010 Active Test methods of rare earth three-band phosphors for fluorescent lamps - Part 1: Determination of relative brightness 灯用稀土三基色荧光粉试验方法 第1部分:相对亮度的测定 Standard Type GBT ICS 77.120.99 CCS H14 Status 现行 Issue Date 2010-08-09 Implementation 2011-05-01 Responsible Dept 国家标准委 Drafting Unit N/A