This standard specifies road test methods for the heat insulation and ventilation of the cab and passenger compartment of the car when the car is used in hot weather. This standard applies to all types of vehicles.
GB/T 12546-2007 Referenced Document
GB/T 12534 Motor vehicles--General rules of road test method
GB/T 12546-2007 history
2007GB/T 12546-2007 Motor vehicle.Ventilation and heat insulation.Test method
1990GB/T 12546-1990 Motor vehicles--Ventilation and heat insulation--Test method