1–20 of 753 hits
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    Embedded tracking device of shared electric vehicle

    Free access
    LIU FENG | European Patent Office | 2022

    Navigation method and device for vehicle searching

    Free access
    LIU FENG | European Patent Office | 2023

    Elevator electric energy feedback energy-saving system

    Free access
    LIU FENG | European Patent Office | 2024

    Hoisting lifting appliance convenient to overturn

    Free access
    LIU FENG | European Patent Office | 2023

    Windscreen wiper with self-adaptive function

    Free access
    LIU FENG | European Patent Office | 2022

    Folding handle device of scooter

    Free access
    LIU FENG | European Patent Office | 2022

    Wiper blade

    Free access
    LIU FENG | European Patent Office | 2021

    Aircraft propulsion propeller

    Free access
    LIU FENG | European Patent Office | 2021

    Folding type connecting piece and application thereof in scooter

    Free access
    LIU FENG | European Patent Office | 2022

    Delta wing aircraft for pesticide spraying

    Free access
    LIU FENG | European Patent Office | 2020

    Air conditioner control method and device and operation machine

    Free access
    LIU FENG | European Patent Office | 2022

    Windscreen wiper strip and windscreen wiper

    Free access
    LIU FENG | European Patent Office | 2022

    Lifting device and application method thereof

    Free access
    LIU FENG | European Patent Office | 2020