This standard specifies the technical requirements for the controls, indicators and signaling devices of three-wheeled vehicles and low-speed trucks, the types of symbols and the display colors of signaling devices. This standard applies to three-wheeled vehicles and low-speed trucks.
GB/T 19122-2015 Referenced Document
GB/T 4782 Road vehicles--Controls,Indicators and Tell-tales--Vocabulary
GB/T 19122-2015 history
2015GB/T 19122-2015 Tri-wheel vehicles and low-speed goods vehicles.Symbols for controls,indicators and tell tales
2003GB/T 19122-2003 Agricultural vehicles--Symbols for controls,indicators and telltales