Home / Standards / GB 38450-2019 GB 38450-2019 Active Minimum allowable values of energy efficiency and energy efficiency grades of LED flat panel luminaires 普通照明用LED平板灯能效限定值及能效等级 Standard Type GB ICS 27.010 CCS F01 Status 现行 Issue Date 2019-12-31 Implementation 2021-01-01 Responsible Dept 国家标准委 Drafting Unit N/A