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Xu Yunfei

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Publication

Featured researches published by Xu Yunfei.

Archive | 2013

Hydraulic drive flat valve with manually-closing device

Jiang Chun; Xu Yunfei; Zhang Guanjin; Geng Xitao

Archive | 2013

Manual flat plate valve

Jiang Chun; Xu Yunfei; Zhang Guanjin; Geng Xitao

Archive | 2014

Manual hydraulic perfusion device

Xu Yunfei; Jiang Chun; Zhang Guanjin; Geng Xitao

Archive | 2013

Hydraulically closed flat valve

Xu Yunfei; Jiang Chun; Zhang Guanjin; Geng Xitao

Archive | 2017

Desanding apparatus free of disassembly for washing

Xu Yunfei; Jiang Chun; Geng Xitao

Archive | 2017

Wafer valve static pressure test device

Xu Yunfei; Jiang Chun; Geng Xitao

Archive | 2016

Sand device is divided to straight -flow

Xu Yunfei; Jiang Chun; Geng Xitao

Archive | 2014

Composite seal ring of plate valve rod

Jiang Chun; Xu Yunfei; Pang Xiongfeng; Geng Xitao; Zhang Guanjin

Archive | 2014

On line plugging method for leakage flat plate valve

Xu Yunfei; Jiang Chun; Zhang Guanjin; Geng Xitao

Archive | 2014

Composite sealing ring of flat valve seat

Jiang Chun; Xu Yunfei; Pang Xiongfeng; Geng Xitao; Zhang Guanjin

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Collaboration

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