Home / Standards / GB/T 21283.2-2007 GB/T 21283.2-2007 Active Rotary shaft lip-type seals incorporating thermoplastic sealing element - Part 2:Vocabulary 密封元件为热塑性材料的旋转轴唇形密封圈 第2部分:词汇 Standard Type GBT ICS 83.140.50;01.040.23;23.100.60 CCS G43 Status 现行 Issue Date 2007-12-13 Implementation 2008-07-01 Responsible Dept 中国石油和化学工业联合会 Drafting Unit N/A