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Yongchun Zhao

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Publication

Featured researches published by Yongchun Zhao.

Archive | 2012

Separate type double-barreled hanger assembly

Rongbing Wang; Hua Liu; Huanhua Sun; Yongchun Zhao

Archive | 2010

Integrated combination valve

Hua Liu; Xuegao Liu; Yongchun Zhao; Rongbing Wang

Archive | 2011

Multi-valve production tree wellhead device

Hua Liu; Xuegao Liu; Yongchun Zhao; Rongbing Wang

Archive | 2011

Remote electric pneumatic control system

Hua Liu; Xuegao Liu; Yongchun Zhao; Rongbing Wang

Archive | 2011

Sealing structure of pneumatic pump piston

Hua Liu; Xuegao Liu; Yongchun Zhao; Rongbing Wang

Archive | 2011

Long-distance electric pneumatic control system of ground blowout preventer

Hua Liu; Xuegao Liu; Yongchun Zhao; Rongbing Wang

Archive | 2011

Integral combination valve

Hua Liu; Xuegao Liu; Yongchun Zhao; Rongbing Wang

Archive | 2011

Reversing valve hermetically-sealed structure of remote control gas path

Hua Liu; Xuegao Liu; Yongchun Zhao; Rongbing Wang

Archive | 2011

Pneumatic pressure joint-control device for ground blowout preventor capable of testing pressure

Hua Liu; Xuegao Liu; Yongchun Zhao; Rongbing Wang

Archive | 2011

Plug-in type high-pressure plate valve

Hua Liu; Xuegao Liu; Yongchun Zhao; Rongbing Wang

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Collaboration

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