Double lip seal ring
作者： Dalton Lester Frank
DOI:
关键词:
摘要:
lens.org 参考文章(3)
Gallagher John C, Ekkebus Eloy D, Oil seal for moving parts ,(1940)
Eloy D Ekkebus, Piston member and method of manufacturing it ,(1940)
Clair Camille Clare Sprankl Le, Flexible packing or sealing ring ,(1944)