农业轮式和履带拖拉机试验方法 第7部分:视野测定
Test methods for agricultural wheeled and tracklaying tractors--Part 7:Measurements of operator’s field vision
标准状态
发布于:1993-03-03
实施于:1993-10-01
已废止
Test methods for agricultural wheeled and tracklaying tractors--Part 7:Measurements of operator’s field vision