1–10 of 1,461 hits
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    Anti-theft alarm method and system and vehicle

    Free access
    ZHANG NING | European Patent Office | 2022

    Paint repair auxiliary equipment

    Free access
    ZHANG NING | European Patent Office | 2020

    Parking space guiding system

    Free access
    ZHANG NING / ZHANG CAIXIA | European Patent Office | 2021

    Detecting method of building hoist load and frequency converter

    Free access
    ZHANG NING | European Patent Office | 2015

    Tower crane as well as anti-top-rushing protection method, system and device thereof

    Free access
    ZHANG YONGCHAO / ZHANG NING | European Patent Office | 2021

    School gate guard robot system

    Free access
    ZHANG NING / ZHANG CAIXIA | European Patent Office | 2020