Home / Standards / GB 13871-1992 GB 13871-1992 Abolished Rotary shaft lip type seals--Nominal dimensions and tolerances 旋转轴唇形密封圈基本尺寸和公差 Standard Type GB ICS 21.140 CCS G43 Status 废止 Issue Date 1992-12-12 Implementation 1993-10-01 Responsible Dept 中国石油和化学工业联合会 Drafting Unit N/A