Home / Standards / GB/T 40821-2021 GB/T 40821-2021 Active Test specification for heat exchange system of solar thermal power plant 太阳能热发电站换热系统检测规范 Standard Type GBT ICS 27.160 CCS F12 Status 现行 Issue Date 2021-10-11 Implementation 2022-05-01 Responsible Dept 中国电力企业联合会 Drafting Unit N/A