Home / Standards / GB/T 13871.5-2015 GB/T 13871.5-2015 Active Rotary shaft lip-type seals incorporating elastomeric sealing elements—Part 5: Identification of visual imperfections 密封元件为弹性体材料的旋转轴唇形密封圈 第5部分: 外观缺陷的识别 Standard Type GBT ICS 83.140.50;23.100.60 CCS J20 Status 现行 Issue Date 2015-12-10 Implementation 2017-01-01 Responsible Dept 中国机械工业联合会 Drafting Unit N/A