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    Continuous self-driven miniature ship

    Free access
    SONG JINLONG / PAN WEIHAO / GUAN FUSHENG et al. | European Patent Office | 2020

    Water drop collection type unpowered self-driven miniature ship

    Free access
    SONG JINLONG / PAN WEIHAO / GUAN FUSHENG et al. | European Patent Office | 2020

    Multi-station comprehensive regenerated energy utilization device for heavy haul railway, and control method thereof

    Free access
    WEI XIANG / HU HAITAO / YANG KAI et al. | European Patent Office | 2022