1–6 von 6 Ergebnissen
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    Multi-rotor unmanned aerial vehicle with cathode open type air-cooled fuel cell power system

    Freier Zugriff
    ZHAO CHEN / ZHANG JINGRAN | Europäisches Patentamt | 2023

    Automatic following robot for landing and mooring of ship-borne unmanned helicopter and method of automatic following robot

    Freier Zugriff
    LI ERWEI / ZHANG JINGRAN / JIA ZHIWEI | Europäisches Patentamt | 2024

    AIRCRAFT ENGINE EMISSIONS QUANTITY MEASUREMENT METHOD AND APPARATUS

    Freier Zugriff
    WU YE / ZHANG JINGRAN / ZHANG SHAOJUN et al. | Europäisches Patentamt | 2021

    Method and device for measuring emission load of aircraft engine emissions

    Freier Zugriff
    WU YE / ZHANG JINGRAN / ZHANG SHAOJUN et al. | Europäisches Patentamt | 2020

    Field lineation robot with boundary rope adjustment function and method

    Freier Zugriff
    ZHAO YANZHI / LI ERWEI / ZHANG JINGRAN et al. | Europäisches Patentamt | 2023

    Hinge type openable and closable bow

    Freier Zugriff
    CHEN NUO / HE FEI / WEI XINHUA et al. | Europäisches Patentamt | 2023