Home / Standards / GB/T 21957-2008 GB/T 21957-2008 Active The fatigue-life testing method of the axle shaft and drive shaft on the test stand,wheeled agricultural tractor 农业轮式拖拉机半轴和驱动轴 台架疲劳寿命试验方法 Standard Type GBT ICS 65.060.10 CCS T63 Status 现行 Issue Date 2008-06-03 Implementation 2009-01-01 Responsible Dept 中国机械工业联合会 Drafting Unit N/A