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    Wheel dismounting mechanism for scrapped vehicle

    Free access
    ZHANG HUA / JIANG TAO / CHEN FENG et al. | European Patent Office | 2022

    Electric bicycle control method and device and electric bicycle

    Free access
    ZHANG HUA / LUO WENZHI / QIAN JIAN'AN et al. | European Patent Office | 2022

    Electric driving system of lifting oil cylinder

    Free access
    WANG GUANGYAN / YANG CHUANXIONG / ZHANG LIDE et al. | European Patent Office | 2022

    Plate spring support structure

    Free access
    WANG GUANGYAN / YANG CHUANXIONG / ZHANG LIDE et al. | European Patent Office | 2022