Home / Standards / GB/T 23893-2009 GB/T 23893-2009 Active Thermoplastic polymers for plain bearings - Classification and designation 滑动轴承用热塑性聚合物 分类和标记 Standard Type GBT ICS 21.100.10 CCS J12 Status 现行 Issue Date 2009-05-26 Implementation 2009-12-01 Responsible Dept 中国机械工业联合会 Drafting Unit N/A