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    Transportation helicopter

    Freier Zugriff
    YONG LIPENG / WU SHIHAO / WENG JIE et al. | Europäisches Patentamt | 2021

    Automatic cargo grabbing device for helicopter

    Freier Zugriff
    XUE ZHENHUA / YONG LIPENG / CHANG FEI et al. | Europäisches Patentamt | 2020

    Helicopter external hanging device and mounting and throwing method

    Freier Zugriff
    WENG JIE / YONG LIPENG / XUE MEIPING et al. | Europäisches Patentamt | 2021

    Helicopter portable externally-hung shelter cargo transportation device and method

    Freier Zugriff
    YONG LIPENG / SUN JINGXIAN / ZHAO XIAOFENG et al. | Europäisches Patentamt | 2020