Home / Standards / GB/T 39286-2020 GB/T 39286-2020 Active Absorption heat exchanger 吸收式换热器 Standard Type GBT ICS 91.140.10 CCS P46 Status 现行 Issue Date 2020-11-19 Implementation 2021-10-01 Responsible Dept 住房城乡建设部 Drafting Unit N/A