1–20 of 155 hits
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    Marine threshold passing transfer trolley

    Free access
    ZHANG GUOHUI | European Patent Office | 2021

    Camera monitoring device

    Free access
    ZHANG GUOHUI | European Patent Office | 2021

    Automatic driving vehicle control method and device and electronic equipment

    Free access
    ZHANG GUOHUI | European Patent Office | 2022

    Intelligent modern logistics cart

    Free access
    ZHANG GUOHUI | European Patent Office | 2021

    Transportation vehicle having safety belt system

    Free access
    ZHANG GUOHUI | European Patent Office | 2021

    Pull rod folding device

    Free access
    ZHANG GUOHUI | European Patent Office | 2020

    Automatic opening device for automobile hazard warning lamp

    Free access
    ZHANG GUOHUI | European Patent Office | 2016

    Detachable butt joint device

    Free access
    ZHANG GUOHUI / SUN SHUWEI | European Patent Office | 2021

    Detachable butt joint device

    Free access
    ZHANG GUOHUI / SUN SHUWEI | European Patent Office | 2020

    Lifting and discharging device matched with machine tool to quickly clamp workpiece

    Free access
    ZHANG GUOHUI / WU LEI | European Patent Office | 2015