1–4 von 4 Ergebnissen
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    SYSTEM AND METHOD FOR HUMAN HEALTH ASSESSMENT IN ELEVATOR, AND ELEVATOR CAR

    Freier Zugriff
    ZHU JIANXIN / DAI YUEGEN | Europäisches Patentamt | 2020

    Intelligence elevator

    Freier Zugriff
    ZHU JIANXIN / DAI YUEGEN / ZHANG CHEN | Europäisches Patentamt | 2020

    ALTERNATING-CURRENT ASYNCHRONOUS GEARLESS VARIABLE-SPEED TRACTION MACHINE AND ELEVATOR SYSTEM

    Freier Zugriff
    ZHU JIANXIN / DAI YUEGEN / ZHANG CHEN et al. | Europäisches Patentamt | 2021

    Elevator with automatic detection function

    Freier Zugriff
    DAI YUEGEN / ZHU JIANXIN / ZHANG CHEN et al. | Europäisches Patentamt | 2020