Home / Standards / GB/T 39984-2021 GB/T 39984-2021 Active Pump system energy assessment 泵系统能耗评估 Standard Type GBT ICS 23.080 CCS J71 Status 现行 Issue Date 2021-04-30 Implementation 2021-11-01 Responsible Dept 中国机械工业联合会 Drafting Unit N/A