Home / Standards / GB/T 2877-1981 GB/T 2877-1981 Abolished Hydraulic fluid power--Two-port slip-incartridge valves cavities--Mounting dimensions 二通插装式液压阀安装连接尺寸 Standard Type GBT ICS 23.060 CCS J20 Status 废止 Issue Date 1982-01-21 Implementation 1983-03-01 Responsible Dept 中国机械工业联合会 Drafting Unit N/A