Home / Standards / GB/T 40077-2021 GB/T 40077-2021 Active Reciprocating positive displacement pumps and pump units—Technical requirements 往复式容积泵和泵装置 技术要求 Standard Type GBT ICS 23.080 CCS J 71 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