ISO 3767-5:1992 拖拉机、农林机械、动力草坪和园艺设备 操作者控制符号和其他显示符号 第5部分:手动便携式林业机械符号
Tractors, machinery for agriculture and forestry, powered lawn and garden equipment; symbols for operator controls and other displays; part 5: symbols for manual portable forestry machinery