标准摘要
[中文适用范围]： ISO 5721 的本部分规定了农用拖拉机操作员侧面和后方视野的要求、测试程序和验收标准。 [外文原描述]： ISO 5721-2:2014 specifies the requirements, test procedures, and acceptance criteria for the field of vision to the side and the rear of the operator of agricultural tractors.
英文名称Agricultural tractors— Requirements, test procedures and acceptance criteria for the operator's field of vision — Part 2: Field of vision to the side and to the rear