Home / Standards / GB/T 4970-2009 GB/T 4970-2009 Active Method of running test - Automotive ride comfort 汽车平顺性试验方法 Standard Type GBT ICS 43.040.50 CCS T23 Status 现行 Issue Date 2009-10-30 Implementation 2010-07-01 Responsible Dept 工业和信息化部 Drafting Unit 工业和信息化部