Home / Standards / GB/T 15623.2-2017 GB/T 15623.2-2017 Active Hydraulic fluid power—Electrically modulated hydraulic control valves—Part 2: Test methods for three-port directional flow-control valves 液压传动 电调制液压控制阀 第2部分：三通方向流量控制阀试验方法 Standard Type GBT ICS 23.100.50 CCS J20 Status 现行 Issue Date 2017-11-01 Implementation 2018-05-01 Responsible Dept 中国机械工业联合会 Drafting Unit N/A