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    BATTERY, BATTERY MOUNTING STRUCTURE AND ELECTRIC BICYCLE

    Free access
    OGAWA MITSURU / XIAO YU XUAN | European Patent Office | 2022

    ELECTRIC BICYCLE

    Free access
    XIAO YU XUAN / OGAWA MITSURU | European Patent Office | 2019

    BATTERY DEVICE, MOTOR UNIT AND ELECTRIC BICYCLE

    Free access
    XIAO YU XUAN / OGAWA MITSURU | European Patent Office | 2019

    BATTERY PACK AND ELECTRIC BICYCLE

    Free access
    OGAWA MITSURU / XIAO YU XUAN | European Patent Office | 2019