This standard specifies the basic requirements for the classification, design and registration of graphic symbols. This standard applies to graphic symbols in the fields of technical documents, equipment, signs and information technology.
GB/T 16900-1997 history
2008GB/T 16900-2008 Rules for the presentation of graphical symbols.General principles
1997GB/T 16900-1997 Rules for the presentation of graphical symbols--General principles
1986GB 7093.1-1986 Graphical symbols represent general rules