Home / Standards / GB/T 29293-2012 GB/T 29293-2012 Active Measurement methods of the performance for LED downlights LED筒灯性能测量方法 Standard Type GBT ICS 29.140.50 CCS K72 Status 现行 Issue Date 2012-12-31 Implementation 2013-09-01 Responsible Dept 中国轻工业联合会 Drafting Unit 中国轻工业联合会