Home / Standards / GB/T 2878.3-2017 GB/T 2878.3-2017 Active Connections for hydraulic fluid power—Ports and stud ends with metric threads and O-ring sealing—Part 3: light-duty stud ends (L series) 液压传动连接 带米制螺纹和O形圈密封的油口和螺柱端 第3部分：轻型螺柱端（L系列） Standard Type GBT ICS 23.100.40 CCS J20 Status 现行 Issue Date 2017-05-12 Implementation 2017-12-01 Responsible Dept 中国机械工业联合会 Drafting Unit N/A