1–8 of 8 hits
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    Anti-sinking system of ship

    Free access
    LIU KAIPING / LIU JINGYI | European Patent Office | 2015

    Gravity-controlled opening and closing lifting appliance

    Free access
    LIU JINGYI / MA XIAO / WU ZHIJIE | European Patent Office | 2015

    Unmanned aerial vehicle group launching mechanism

    Free access
    PANG HUAN / WANG DAOCHENG / LIU JINGYI et al. | European Patent Office | 2021

    Hydro-pneumatic spring surface treatment method, hydro-pneumatic spring, automobile suspension structure and application

    Free access
    ZHANG JING / ZHOU SHENGLAN / LIU JINGYI et al. | European Patent Office | 2024

    Automobile energy-saving power system

    Free access
    ZHANG JUNFENG / DENG LIN / LIU JINGYI et al. | European Patent Office | 2015

    Collapse-type electric power steering column installing support

    Free access
    LIU JINGYI / LUO YONGQIAN / CHEN ZHIJUN et al. | European Patent Office | 2016

    Undercarriage and unmanned aerial vehicle

    Free access
    WANG LUN / WU YUQUAN / LIU JINGYI et al. | European Patent Office | 2021

    Special tool for height-adjustable anti-theft inspection well cover device and application method thereof

    Free access
    OUYANG GANG / HUANG JIANG / LI YAPING et al. | European Patent Office | 2021