Home / Standards / GB 20053-2015 GB 20053-2015 Abolished Minimum allowable values of energy efficiency and energy efficiency grades for ballasts of metal-halide lamps 金属卤化物灯用镇流器能效限定值及能效等级 Standard Type GB ICS 27.010 CCS F01 Status 废止 Issue Date 2015-12-10 Implementation 2017-01-01 Responsible Dept 国家标准委 Drafting Unit N/A