Home / Standards / GB/T 40565.2-2021 GB/T 40565.2-2021 Abolished Connections for hydraulic fluid power—Quick-action couplings—Part 2: Flush-face type at 20 MPa to 31.5 MPa 液压传动连接 快换接头 第2部分：20 MPa～31.5 MPa平面型 Standard Type GBT ICS 23.100.40 CCS J20 Status 废止 Issue Date 2021-10-11 Implementation 2022-05-01 Responsible Dept 中国机械工业联合会 Drafting Unit N/A