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    Blowout preventer lifting and moving device

    Free access
    ZHANG ZHENHUA / CAI WENJUN / MENG QIANG et al. | European Patent Office | 2021

    Intelligent parking space management device for distributed three-dimensional parking garage

    Free access
    JING CHENGLIANG / ZHOU SHIJUN / LI YAN et al. | European Patent Office | 2023

    Low-voltage residential area electric vehicle charging identification method based on multi-source signal decomposition

    Free access
    ZHANG WENHUA / CHEN CHUN / LIU FANGBAI et al. | European Patent Office | 2024

    Road traffic accident black spot discrimination method based on space-time combination dimension

    Free access
    CHEN CHUN / WANG CHENYU / ZHANG DAOWEN et al. | European Patent Office | 2023

    Wheel-rail structure suspension type PRT elastic turnout rail turnout structure and switching method

    Free access
    ZHANG YAOPING / CHEN CHUN | European Patent Office | 2020