1–20 of 398 hits
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    Environment-friendly device for swabbing operation site

    Free access
    LI CHEN | European Patent Office | 2020

    Self-unloading type power cable hoisting device

    Free access
    LI CHEN | European Patent Office | 2021

    Dragging device for electric wheelbarrow

    Free access
    LI CHEN | European Patent Office | 2015

    Self-balancing electric double-wheel vehicle

    Free access
    LI CHEN | European Patent Office | 2015

    Self-balancing monocycle with automatic gravity center regulation function

    Free access
    LI CHEN | European Patent Office | 2015

    Multifunctional maritime satellite mobile terminal

    Free access
    LI CHEN | European Patent Office | 2016

    Decorative lamp of bicycle

    Free access
    LI CHEN | European Patent Office | 2015

    Intelligent electric monocycle

    Free access
    LI CHEN | European Patent Office | 2015

    Two-wheel self-balancing vehicle

    Free access
    LI CHEN | European Patent Office | 2015

    Electric self-balancing two-wheeled vehicle

    Free access
    LI CHEN | European Patent Office | 2015

    Electric monocycle

    Free access
    LI CHEN | European Patent Office | 2015

    Self-balancing monocycle with gravity-center self-adjusting function

    Free access
    LI CHEN | European Patent Office | 2015

    Self-balancing wheelbarrow with gravity center self-adjusting function

    Free access
    LI CHEN | European Patent Office | 2015

    Electric monocycle

    Free access
    LI CHEN | European Patent Office | 2015

    Dragging device of power-driven monocycle

    Free access
    LI CHEN | European Patent Office | 2015

    Flap sail control mechanism and control system for ship

    Free access
    MIAO KEYIN / LI CHEN | European Patent Office | 2023