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See Chinese contents: QC/T 1167-2022 QC/T 1167-2022: Service brake dynamometer squeal noise test methods for passenger cars
This document specifies the terms and definitions, test equipment, test fixtures, test-related requirements and instructions, test preparation, test methods, test data processing for the service brake dynamometer squeal noise test methods for passenger cars. This document is applicable to passenger cars, which are specified in GB/T 3730.1-2001. The commercial vehicles, whose maximum design gross mass does not exceed 3 500 kg, can make reference to this standard.
