This standard specifies the performance requirements and test methods of the windshield defogging system for automobiles. This standard applies to M1 category vehicles.
GB 11555-1994 history
2009GB 11555-2009 Motor vehicles-windshield demisting and defrosting systems-Performance requirements and test methods
1994GB 11555-1994 Motor vehicles-Windshield demisters-Performance requirements and test methods