1–8 von 8 Ergebnissen
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    Aerial photography and aerial survey device of unmanned aerial vehicle

    Freier Zugriff
    ZHAO QINGFENG / ZHU AILIN / LI SHIDONG | Europäisches Patentamt | 2023

    Railway vehicle door color separation band position determination method and railway vehicle door

    Freier Zugriff
    DANG PENGFEI / ZHAO QINGFENG / ZHANG JING et al. | Europäisches Patentamt | 2023

    Track combined type lifting system for whole-rocket modal test of large rocket

    Freier Zugriff
    LIANG SEN / BAI CHUNYU / ZHAO QINGFENG et al. | Europäisches Patentamt | 2024

    Tandem type hoisting method

    Freier Zugriff
    CHEN LIANG / WANG XIONG / CHANG YONG et al. | Europäisches Patentamt | 2021

    Gyon lifting device and mounting and using method thereof

    Freier Zugriff
    ZENG GUOHUA / ZHAO QINGFENG / CHEN LIANG et al. | Europäisches Patentamt | 2023

    Emergency rescue undercarriage for electric power high-altitude operation personnel

    Freier Zugriff
    LIU TAO / WEI ZHENG / ZHANG LIANJIE et al. | Europäisches Patentamt | 2023