[国外标准] DIN 2077-1979 Spring steel round hot rolled
[国外标准] SAE J891-1998 Spring Nuts
[国外标准] SAE J773-1998 CONICAL SPRING WASHERS
[国外标准] SAE J511-1989 PNEUMATIC SPRING TERMINOLOGY
[国外标准] SAE J496-1972 SPRING TYPE STRAIGHT PINS
[国外标准] SAE J1073-1995 SPRING-LOADED CLUTCH SPIN TEST PROCEDURE
[国外标准] SAE AMS 7241B Washers, Spring Lock, Corrosion Resistant Steel 18Cr - 9Ni
[国外标准] BS 3673.3-1968 Spring retaining rings part3.Carbon steel C clips
[国外标准] JIS B2808-2005 Spring pins
[国外标准] JIS E4206-1989 Spring Rigging for Railway Rolling Stock
[国外标准] JIS E1115-1978 Spring Washers for Fish Plates
[国外标准] JIS C2813-2009 Spring pressure type wire connectors for electrical installations of buildings(Amendm
[国外标准] JIS C2813-1992 Spring pressure type wire connectors for electrical installations of buildings