Home / Standards / GB/T 25140-2010 GB/T 25140-2010 Active Seal-less rotodynamic pumps - ClassⅡ - Specification 无轴封回转动力泵技术条件(Ⅱ类) Standard Type GBT ICS 23.080 CCS J71 Status 现行 Issue Date 2010-09-26 Implementation 2011-02-01 Responsible Dept 中国机械工业联合会 Drafting Unit N/A