BS ISO 3767-2-2008 农业和林业用拖拉机、机械、动力草坪设备和园艺设备.操作者控制符号和其它显示符号.农业拖拉机和机械用符号
Tractors, machinery for agriculture and forestry, powered lawn and garden equipment - Symbols for operator controls and other displays - Symbols for agricultural tractors and machinery