DIN ISO 20401:2007
气动液压传动系统.方向控制阀.直径为8mm~12mm的圆形电连接器的管脚分配规范(ISO 20401-2005+勘误1-2005)
Pneumatic fluid power systems - Directional control valves - Specification of pin assignment for electrical round connectors of diameters 8 mm and 12 mm (ISO 20401:2005 + Cor. 1:2005) English version of DIN ISO 20401:2007-07