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Zhang Yunhai

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Publication

Featured researches published by Zhang Yunhai.

Archive | 2003

Intelligenjt rotary water decanter

Wang Hongyun; Zhang Yunhai; Wu Youlin

Archive | 1999

Electric speed-regulating butterfly valve

Wu Youlin; Zhang Yunhai; Zhang Yanliang

Archive | 2017

Two stage of ultralow speed hydraulic control butterfly valve

Wang Hongyun; Zhang Yunhai; Chen Sen; Wang Hangzhou; Zou Shixin; Li Zhimin

Archive | 2017

Middle open type translation double-sealed rectangular gate valve

Wang Hongyun; Zhang Yunhai; Yang Cheng

Archive | 2017

Multistage energy dissipation governing valve

Wang Hongyun; Zhang Yunhai; Zhang Xu

Archive | 2016

Heavy -calibre ball valve water system device

Wang Hongyun; Zhang Yunhai; Chen Sen; Li Zhimin; Zou Shixin

Archive | 2016

Butterfly valve sealing washer U -shaped connects split type clamp plate

Wang Hongyun; Zhang Yunhai; Li Ji; Yu Mingwu; Yang Cheng

Archive | 2016

Big high speed reducing ratio transmission case of moment

Wang Hongyun; Zhang Yunhai; Su Sha; Liu Yezhou

Archive | 2015

High-energy dissipating large-flow control valve

Wang Hongyun; Zhang Yunhai; Yang Cheng

Archive | 2015

Dual-sealing butterfly valve of water turbine with manual overhauling function

Wang Hongyun; Zhang Yunhai; Su Sha

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Collaboration

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