NP EN ISO 3767-5-1998 拖拉机.农用以及林用设备.花园或者草地上用到的机动设备.相关的控制标示.第5部分:手动便携式林用设备的符号标示(ISO 3767-5-1992)
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 (ISO 3767-5:1992)