Home / Standards / GB/T 22157-2008 GB/T 22157-2008 Abolished Acoustics - Specification of test tracks for the purpose of measuring noise emitted by road vehicles 声学 用于测量道路车辆发射噪声的试验车道技术规范 Standard Type GBT ICS 17.140.30 CCS Z32 Status 废止 Issue Date 2008-07-02 Implementation 2009-02-01 Responsible Dept 中国科学院 Drafting Unit N/A