Home / Standards / GB/T 40703-2021 GB/T 40703-2021 Active Design specifications of medium temperature solar heating system for industrial applications 太阳能中温工业热利用系统设计规范 Standard Type GBT ICS 27.160 CCS F12 Status 现行 Issue Date 2021-10-11 Implementation 2022-05-01 Responsible Dept 国家标准委 Drafting Unit N/A