This standard specifies the test method for rainproof sealing of passenger cars. This standard applies to all types of passenger cars specified in GB3730.1. Double-decker passenger cars and cars with cabs and closed compartments can be used as a reference.
GB/T 12480-1990 history
1990GB/T 12480-1990 Rain proof performance test method for buses
GB/T 12480-1990 Rain proof performance test method for buses was changed to QC/T 476-2007 Rain proof performance limit and test method for bus.