Home / Standards / GB/T 40078-2021 GB/T 40078-2021 Active Fuel efficiency of wheeled tractors—Evaluation criteria 轮式拖拉机燃油经济性 评价指标 Standard Type GBT ICS 65.060.10 CCS T61 Status 现行 Issue Date 2021-04-30 Implementation 2021-11-01 Responsible Dept 中国机械工业联合会 Drafting Unit N/A