Home / Standards / GB/T 31969-2015 GB/T 31969-2015 Active Test methods of rare earth three-band phosphors for fluorescent lamps—Measurement of phosphors application character 灯用稀土三基色荧光粉试验方法 荧光粉二次特性的测定 Standard Type GBT ICS 77.120.99 CCS H14 Status 现行 Issue Date 2015-09-11 Implementation 2016-08-01 Responsible Dept 国家标准委 Drafting Unit N/A