This standard stipulates the basic form of arrows, the size ratio and the basic principles of using arrows that should be adopted when designing graphic symbols with arrows. This standard applies to graphic symbols for equipment and graphic symbols for signs.
GB/T 1252-1989 history
2008GB/T 16902.2-2008 Rules for the presentation of graphical symbols for use on equipment.Part 2:Form and use of arrows
1989GB/T 1252-1989 Graphical symbols--Arrows and their use
GB/T 1252-1989 Graphical symbols--Arrows and their use was changed to GB/T 16902.2-2008 Rules for the presentation of graphical symbols for use on equipment.Part 2:Form and use of arrows.