HB 7466-1996
柔性石墨密封圈
1996-09-13
JB/T 6639-2015
滚动轴承 骨架式橡胶密封圈 技术条件
Rolling bearings - Rubber seals reinforced with a sheet steel insert - Specifications
2015-10-10
HB 5821-1983
包复氟塑料O型橡胶密封圈技术条件
1983-07-25
HB 6880-1993
带密封圈高温导管连接快卸卡箍技术条件
1994-06-01
MT/T 985-2006
煤矿用立柱和千斤顶聚氨酯密封圈技术条件
Technical specification of polyurethane seal for power set legs and rams for coal mine
2006-08-19
JB/T 9102.6-2013
往复活塞压缩机 金属平面填料 第6部分：密封圈和刮油圈技术条件
Reciprocating compressor Metal rectangle packing-Part 6:Technical specification for sealing and wiper rings
2013-04-25