1–7 of 7 hits
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    Handrail entrance safety protection device

    Free access
    SHI SHAOHUA / SU ZHIHUI / LI QISONG | European Patent Office | 2020

    Firm type glass holder device

    Free access
    SHI SHAOHUA / SU ZHIHUI / LI QISONG | European Patent Office | 2020

    Water surface spilled oil recovery device for collection ship and use method of water surface spilled oil recovery device

    Free access
    LI QISONG / WANG SHUAIJUN / CUI YUXIN et al. | European Patent Office | 2023

    Offshore spilled oil recovery device

    Free access
    CUI YUXIN / WANG SHUAIJUN / WANG WENJIE et al. | European Patent Office | 2023

    Design method of ramp device for ship

    Free access
    FENG YUANYUAN / LI QISONG / ZHOU ZHAOHE et al. | European Patent Office | 2021

    Novel unmanned spilled oil recovery aircraft

    Free access
    WANG ZHAOCHEN / WANG SHUAIJUN / LI QISONG et al. | European Patent Office | 2023

    Three-dimensional storage system for fermented feed

    Free access
    WANG SHENG / HUA MINGZE / LIU XIANG et al. | European Patent Office | 2022