[国外标准] BS EN 10027-2-1992 designation systems for steels —Part 2 Steel numbers.
[国外标准] JIS B1010-2003 Designation system for fasteners
[国外标准] JIS L0104-2000 Designation of yarns by tex system
[国外标准] JIS K7238-1991 Designation of epoxide resins