GB/T 7121.2-2008 农林轮式拖拉机防护装置强度试验方法和验收条件 第2部分:后置式动态试验方法 The strength testing method and accepting condition of the protective structures on wheeled agricultural and forestry tractors - Part 2: Dynamic testing method
The strength testing method and accepting condition of the protective structures on wheeled agricultural and forestry tractors - Part 2: Dynamic testing method