1–20 of 205 hits
|

    Automobile dust cover

    Free access
    ZHANG LEI | European Patent Office | 2020

    Quadrotor unmanned aerial vehicle debugging platform

    Free access
    ZHANG LEI | European Patent Office | 2020

    New material electric bicycle crank and preparation method thereof

    Free access
    ZHANG LEI | European Patent Office | 2021

    POWER SUPPLY DEVICE AND METHOD FOR VEHICLE EMERGENCY STARTING

    Free access
    ZHANG LEI | European Patent Office | 2024

    Trolley for medical instruments

    Free access
    ZHANG LEI / GUO HAILONG | European Patent Office | 2023

    Feeding device for freeze dryer and freeze dryer

    Free access
    HE GUOQIANG / ZHANG LEI | European Patent Office | 2021

    OBSTACLE AVOIDANCE METHOD AND APPARATUS FOR ROBOT, ROBOT, STORAGE MEDIUM, AND ELECTRONIC DEVICE

    Free access
    ZHANG LEI / GUAN XIN | European Patent Office | 2024

    Trolley

    Free access
    ZHANG LEI / WU PENG | European Patent Office | 2023