Home / Standards / GB/T 2347-1980 GB/T 2347-1980 Active Hydraulic fluid power--Pumps and motors--Geometric displacements 液压泵及马达公称排量系列 Standard Type GBT ICS 23.100 CCS J20 Status 现行 Issue Date 1980-12-27 Implementation 1981-07-01 Responsible Dept 中国机械工业联合会 Drafting Unit N/A