ISO 3767-4-1993/Amd 2-2008 拖拉机 农林机械 动力草坪和园艺设备.操作员控制和其他显示符号.第4部分:林业机械符号.修改件2:附加符号
Tractors, machinery for agriculture and forestry, powered lawn and garden equipment — Symbols for operator controls and other displays — Part 4: Symbols for forestry machinery — Amendment 2: Additiona