Home / Standards / GB/T 20731-2006 GB/T 20731-2006 Active Verification of wheel balancing machines 车轮平衡机的检验 Standard Type GBT ICS 21.120.40 CCS N73 Status 现行 Issue Date 2006-12-13 Implementation 2007-07-01 Responsible Dept 中国机械工业联合会 Drafting Unit N/A