[国外标准] SAE J1603-1995 RUBBER SEALS FOR HYDRAULIC DISC BRAKE CYLINDERS
[国外标准] BS 2494-1990 Elastomeric seals for joints in pipework and pipelines ICS
[国外标准] JIS B2405-2003 Mechanical seals -General requirements
[国外标准] JIS E4704-1992 Grease seals for railway rolling stock