Home / Standards / GB/T 31884-2015 GB/T 31884-2015 Active Automatic detection system of tire/pavement noise using the on-board sound intensity method 车载式轮胎路面噪声自动测试系统 Standard Type GBT ICS 93.080.30 CCS P66 Status 现行 Issue Date 2015-09-11 Implementation 2015-12-01 Responsible Dept 国家标准委 Drafting Unit N/A