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person:(Liu, Lei)

    Capturing and locking device suitable for underwater dragging equipment

    Free access
    MAO LEI / OUYANG LINGHAO / LIU SHIYU et al. | European Patent Office | 2024

    Insulator spraying equipment

    Free access
    DUAN CHUNMING / WANG FUQIANG / JIA CONGBIN et al. | European Patent Office | 2024

    Hoisting method of insulator spraying equipment

    Free access
    DUAN CHUNMING / WANG FUQIANG / JIA CONGBIN et al. | European Patent Office | 2024

    Combined full-height closed type lifting platform door system

    Free access
    HE JIE / YIN QIN / ZHANG KUN et al. | European Patent Office | 2023

    Lifting type platform door with anti-collision function and control method

    Free access
    SUN JI / YIN QIN / ZHANG KUN et al. | European Patent Office | 2023