[国外标准] JIS Z 8222-3：2006 Design of graphical symbols for use in the technical documentation of productsPart
[国外标准] JIS Z 8222-2：2006 Design of graphical symbols for use in the technical documentation of productsPart
[国外标准] JIS Z 8222-1：2006 Design of graphical symbols for use in the technical documentation of productsPart