GB/T 16902.4-2017 Rules for the presentation of graphical symbols for use on equipment—Part 4: Guidelines for the adaption of graphical symbols for use as icons (English Version)
2017GB/T 16902.4-2017 Rules for the presentation of graphical symbols for use on equipment—Part 4: Guidelines for the adaption of graphical symbols for use as icons
2011GB/T 16902.4-2010 Rules for the presentation of graphical symbols for use on equipment.Part 4: Guildelines for the adaptation of graphical symbols for use on screens and displays(icons)