1–20 of 1,122 hits
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    Line body pulling device and buggy

    Free access
    ZHANG JUN | European Patent Office | 2023

    Anti-collision electric bicycle

    Free access
    ZHANG JUN | European Patent Office | 2022

    Auxiliary device for detecting leakage of crane pipeline

    Free access
    ZHANG JUN | European Patent Office | 2021

    Body structure and self-lubricating scooter

    Free access
    ZHANG JUN | European Patent Office | 2024

    Tower type pumping unit device of tractor

    Free access
    ZHANG JUN | European Patent Office | 2020

    Automatic emergency help-seeking equipment and help-seeking method for elevator

    Free access
    ZHANG JUN | European Patent Office | 2022

    Charging pile device with shared parking lock function

    Free access
    ZHANG JUN | European Patent Office | 2024

    Lifting variable magnification structure of tower crane

    Free access
    ZHANG JUN | European Patent Office | 2023

    Vehicle-mounted storable holographic projector for car

    Free access
    ZHANG JUN | European Patent Office | 2021

    Position-adjustable holographic projector

    Free access
    ZHANG JUN | European Patent Office | 2021

    Traction forklift

    Free access
    ZHANG JUN | European Patent Office | 2021

    Elevator anti-pinch and elevator anti-collision safety prompting equipment

    Free access
    ZHANG JUN | European Patent Office | 2021

    Automatic power generation child scooter with DISCO flashing ball

    Free access
    ZHANG JUN | European Patent Office | 2021

    Hoisting method for overhead line system pole erecting operation vehicle

    Free access
    ZHANG JUN | European Patent Office | 2022