ISO 5721:1989 农业拖拉机.操作者的视野

标准编号：ISO 5721:1989

中文名称：农业拖拉机.操作者的视野

英文名称：Tractors for agriculture — Operator's field of vision

发布日期：1989-10

标准范围

第二版取消并取代第一版（1981年）。规定了确定障碍物对拖拉机操作员坐姿前方、后方和上方视觉角度掩蔽效应的实用数学方法。它不考虑可拆卸工具和安装元件，例如前装载机、托盘等。

This second edition cancels and replaces the first edition (1981). Specifies practical and mathematical methods of determining the masking effects of obstruction on the angles of vision forward, to the rear and upwards of seated operators of tractors. It does not take account of detachable implements and mounted elements, for example front loaders, pallets, ect.

标准预览图