A kind of mirror surface calendering equipment for machining rotor and its processing method-Patent certificate-螺杆泵厂家_单|双|三螺杆泵公司[型号齐全]_兴龙泵业

Patent certificate

A kind of mirror surface calendering equipment for machining rotor and its processing method

发布时间：2020-06-10 17:39:07

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A kind of low viscosity and high pressure conveying twin screw pump and its processing technology with screw sleeve inside