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    Medical caster

    Free access
    XU FENG | European Patent Office | 2015

    Crane capable of preventing starting impact of cross beam and tension buffering structure of crane

    Free access
    HE BIN / XU FENG / XU XUEPENG | European Patent Office | 2023

    Pesticide liquid spraying device for unmanned aerial vehicle

    Free access
    FENG XU / WANG TIANCHENG | European Patent Office | 2021

    Light-weight hub bearing unit and treatment method for pretreating laser additive

    Free access
    ZHOU XU / WANG FENG | European Patent Office | 2021

    Method for installing large-diameter air pipe in limited space

    Free access
    XU FENG / LIN QIHAN | European Patent Office | 2021

    Intelligent feed feeding device for fish culture and feeding method

    Free access
    XU JUN / FAN FENG | European Patent Office | 2024

    Digital voice locomotive communication system based on main bus and standby bus

    Free access
    ZHOU FENG / DING XU | European Patent Office | 2022