Home / Standards / GB/T 42219-2022 GB/T 42219-2022 Active Optical measurement of high-power LED 大功率LED的光学测量 Standard Type GBT ICS 29.140.40 CCS N35 Status 现行 Issue Date 2022-12-30 Implementation 2023-07-01 Responsible Dept 中国轻工业联合会 Drafting Unit N/A