This standard specifies the inspection and calibration methods for speedometers and odometers mounted on automobiles. This standard applies to all types of vehicles.
GB/T 12548-2016 Referenced Document
GB/T 12534 Motor vehicles--General rules of road test method
GB/T 12548-2016 history
2019GB/T 12673-2019 Motor vehicle main dimensions measurement method
1990GB/T 12673-1990 Motor vehicles--Basic dimensions--Measuring method