Home / Standards / GB/T 38680-2020 GB/T 38680-2020 Active Technical guidelines for central heating system using low grade industrial surplus heat 工业低品位余热集中供热系统技术导则 Standard Type GBT ICS 27.010 CCS F04 Status 现行 Issue Date 2020-03-31 Implementation 2020-10-01 Responsible Dept 国家标准委 Drafting Unit N/A