Home / Standards / GB/T 20421.1-2006 GB/T 20421.1-2006 Active Hydraulic fluid power―Determination of characteristics of motors―Part 1: At constant low speed and at constant pressure 液压马达特性的测定 第1部分：在恒低速和恒压力下 Standard Type GBT ICS 23.100.10 CCS J20 Status 现行 Issue Date 2006-08-22 Implementation 2007-01-01 Responsible Dept 中国机械工业联合会 Drafting Unit 中国机械工业联合会