Home / Standards / GB/T 3871.20-2015 GB/T 3871.20-2015 Active Agricultural tractors—Test procedures—Part 20:Test methods of tractor bumpiness 农业拖拉机 试验规程 第20部分:颠簸试验 Standard Type GBT ICS 65.060.10 CCS T61 Status 现行 Issue Date 2015-12-10 Implementation 2016-07-01 Responsible Dept 中国机械工业联合会 Drafting Unit N/A