Home / Standards / GB/T 29042-2020 GB/T 29042-2020 Active Thresholds and grading of rolling resistance for motor vehicle tyres 汽车轮胎滚动阻力限值和等级 Standard Type GBT ICS 83.160.10 CCS G41 Status 现行 Issue Date 2020-12-14 Implementation 2021-11-01 Responsible Dept 中国石油和化学工业联合会 Drafting Unit N/A