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    Sightseeing tourist ship with protective device

    Free access
    CHEN ZHIWEI / CHEN WENGEN / YAO XIAOWEI | European Patent Office | 2023

    Handrail for electric gaily-painted pleasure boat

    Free access
    CHEN WENGEN / YAO XIAOWEI / CHEN ZHIWEI | European Patent Office | 2023

    Sightseeing pleasure boat with anti-collision mechanism

    Free access
    CHEN WENGEN / YAO XIAOWEI / CHEN ZHIWEI | European Patent Office | 2023

    Buffering structure of sightseeing pleasure boat

    Free access
    CHEN ZHIWEI / YAO XIAOWEI / CHEN WENGEN | European Patent Office | 2023

    Sightseeing pleasure boat with ceiling lifting function

    Free access
    CHEN WENGEN / CHEN ZHIWEI / YAO XIAOWEI | European Patent Office | 2023

    Transparent display device of sightseeing pleasure boat

    Free access
    YAO XIAOWEI / CHEN WENGEN / CHEN ZHIWEI | European Patent Office | 2023

    Tourist safety protection device of sightseeing pleasure boat

    Free access
    CHEN WENGEN / CHEN ZHIWEI / YAO XIAOWEI | European Patent Office | 2023

    Sightseeing pleasure boat with sunshade frame structure

    Free access
    YAO XIAOWEI / CHEN WENGEN / CHEN ZHIWEI | European Patent Office | 2023

    Glass fiber reinforced plastic catamaran

    Free access
    CHEN WENGEN / YAO BAOYU | European Patent Office | 2015

    Electric yacht heat dissipation device

    Free access
    CHEN WENGEN / YAO BAOYU | European Patent Office | 2015