Home / Standards / GB/T 13871.4-2023 GB/T 13871.4-2023 Active Rotary shaft lip-type seals incorporating elastomeric sealing elements—Part 4:Perpormance test procedures 密封元件为弹性体材料的旋转轴唇形密封圈 第4部分:性能试验程序 Standard Type GBT ICS 83.140.50;23.100.60 CCS G43 Status 现行 Issue Date 2023-11-27 Implementation 2024-06-01 Responsible Dept 中国石油和化学工业联合会 Drafting Unit N/A