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    Connecting and unlocking device of double actuating mechanisms

    Freier Zugriff
    GUAN FACAI / WEI HANG / LI HAOLUN et al. | Europäisches Patentamt | 2020

    Hydraulic valve stand capable of lifting hydraulic control valve block in labor-saving manner

    Freier Zugriff
    WEI HANG / SUN TIANJIAN / BAI FENG et al. | Europäisches Patentamt | 2021

    Protective cover ejection device

    Freier Zugriff
    WANG ZHENXING / FENG GUOCHENG / MA GUOCHENG et al. | Europäisches Patentamt | 2020

    Lifting device for shield tunneling machine steel pipe installation

    Freier Zugriff
    WANG BING / LI XIAOQING / WEI HANG et al. | Europäisches Patentamt | 2021

    Vanadium dioxide intelligent thermal control device with longhorn beetle-imitating multistage structure and preparation method thereof

    Freier Zugriff
    ZHAO JIUPENG / GU JINXIN / DOU SHULIANG et al. | Europäisches Patentamt | 2020

    Automatic continuous detection system and method for spatial special-shaped pipe fitting

    Freier Zugriff
    HE DALONG / WEI HANG / CHEN YONG et al. | Europäisches Patentamt | 2023

    Structure Design of Downhole Robot in Oil Well

    Wei, Hang Xin / Wu, Wei / Wang, Zhi Guo | Trans Tech Publications | 2011
    Beteiligte: Wei, Hang Xin