Home / Standards / GB/T 304.1-2002 GB/T 304.1-2002 Abolished Spherical plain bearings--Classification 关节轴承 分类 Standard Type GBT ICS 21.100.20 CCS J11 Status 废止 Issue Date 2002-10-11 Implementation 2003-05-01 Responsible Dept 中国机械工业联合会 Drafting Unit 中国机械工业联合会