Home / Standards / GB/T 39135-2020 GB/T 39135-2020 Active Test method of color difference for photovoltaic glass module used in building 建筑光伏玻璃组件色差检测方法 Standard Type GBT ICS 81.040.01 CCS Q33 Status 现行 Issue Date 2020-10-11 Implementation 2021-09-01 Responsible Dept 中国建筑材料联合会 Drafting Unit N/A