1–20 of 44 hits
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    LIFTING FIN DEVICE

    Free access
    SONG YONGRONG / FAN YAN | European Patent Office | 2023

    Rudder sealing structure and rudder

    Free access
    SONG YONGRONG / FAN YAN | European Patent Office | 2022

    Rotary lifting device

    Free access
    SONG YONGRONG / LU FENG | European Patent Office | 2022

    Placing and transferring equipment special for production of protective doors and windows for large ships

    Free access
    SONG YONGRONG / HUI HAIPING | European Patent Office | 2022

    Rudder blade device and ship

    Free access
    SONG YONGRONG / FAN YAN | European Patent Office | 2022

    Waterproof sealing door for large ship

    Free access
    SONG YONGRONG / WU HAIBA | European Patent Office | 2022

    Large ship protection window with protection structure

    Free access
    SONG YONGRONG / HUI HAIPING | European Patent Office | 2022

    Manual transmission device, ship steel door and ship

    Free access
    SONG YONGRONG / HUI HAIPING | European Patent Office | 2022

    External supporting device for hatch cover

    Free access
    SONG YONGRONG / HUI HAIPING | European Patent Office | 2022

    Window seat stretching profile device of welded window

    Free access
    SONG YONGRONG / HUI HAIPING | European Patent Office | 2022

    Internal supporting device for hatch cover

    Free access
    SONG YONGRONG / HUI HAIPING | European Patent Office | 2022

    SYNCHRONOUS DUST REMOVAL APPARATUS FOR LARGE SHIP DOOR PLATE PROCESSING

    Free access
    SONG YONGRONG / FAN YAN | European Patent Office | 2023

    RUDDER SEALING STRUCTURE AND RUDDER

    Free access
    SONG YONGRONG / FAN YAN | European Patent Office | 2023

    RUDDER BLADE DEVICE AND SHIP

    Free access
    SONG YONGRONG / FAN YAN | European Patent Office | 2023

    A60-grade double-leaf steel door for ship

    Free access
    SONG YONGRONG / SHAO SHUCHAO | European Patent Office | 2021

    Marine lifting platform and piloting vessel

    Free access
    SONG YONGRONG / FAN YAN | European Patent Office | 2021

    Special valve group for large-flow steering engine

    Free access
    SONG YONGRONG / FAN YAN | European Patent Office | 2021

    A60-level single-leaf steel door

    Free access
    SONG YONGRONG / SHAO SHUCHAO | European Patent Office | 2021

    Integrated pump control closed type shifting fork electric hydraulic steering engine

    Free access
    SONG YONGRONG / FAN YAN | European Patent Office | 2021

    Side push cover sealing structure

    Free access
    SONG YONGRONG / HUI HAIPING | European Patent Office | 2022