三针电气插头连接器|沙特标准|SASO-ISO-4400
　　
　　SASO-ISO-4400
　　
　　Fluid power systems and components – Three-pin electrical plug connectors with earth contact – Characteristics and requirements
　　
　　流体动力系统和部件.带接地触点的三针电气插头连接器.特性和要求