1–20 of 275 hits
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    Internet of Things multimedia system for parking lot

    Free access
    ZHANG YAO | European Patent Office | 2023

    New energy vehicle chassis combination structure and combination method thereof

    Free access
    ZHANG YAO | European Patent Office | 2020

    Annular multi-duct water-air amphibious cross-domain unmanned aerial vehicle

    Free access
    ZHANG YAO / LI LONGLONG | European Patent Office | 2022