Home / Standards / GB/T 41014-2021 GB/T 41014-2021 Active Evaluation of the energy performance of lighting systems 照明系统能效评价 Standard Type GBT ICS 27.010 CCS F01 Status 现行 Issue Date 2021-12-31 Implementation 2022-07-01 Responsible Dept 国家标准委 Drafting Unit 国家标准委