Home / Standards / GB/T 8105-1987 GB/T 8105-1987 Active Hydraulic fluid power--Valves--Testing method of pressure control valves 压力控制阀试验方法 Standard Type GBT ICS 23.100.30 CCS J20 Status 现行 Issue Date 1987-07-23 Implementation 1988-07-01 Responsible Dept 中国机械工业联合会 Drafting Unit N/A