Home / Standards / GB/T 22157-2018 GB/T 22157-2018 Active Acoustics—Specification of test tracks for measuring noise emitted by road vehicles and their tyres 声学 测量道路车辆和轮胎噪声的试验车道技术规范 Standard Type GBT ICS 17.140 CCS A59 Status 现行 Issue Date 2018-03-15 Implementation 2018-10-01 Responsible Dept 中国科学院 Drafting Unit N/A