1–20 of 378 hits
|

    Hollow brick high-level transportation equipment

    Free access
    XU LEI | European Patent Office | 2020

    Auxiliary getting-on and getting-off device for automobile trunk

    Free access
    XU LEI | European Patent Office | 2023

    Mid-motor drive system for an electric bicycle

    Free access
    XU LEI | European Patent Office | 2017

    MID-MOTOR DRIVE SYSTEM FOR AN ELECTRIC BICYCLE

    Free access
    XU LEI | European Patent Office | 2016

    ETC door frame track data complementation method

    Free access
    YANG LEI / XU LEI | European Patent Office | 2024

    Rear gripper clamp assembly

    Free access
    QI TAO / XU LEI | European Patent Office | 2021