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person:("Jin, Chun")

    Dogging devices for gate

    Free access
    PARK JIN CHUN / KIM BO OK / JIN CHANG HO | European Patent Office | 2022

    Mechanical flotage removing machine

    Free access
    PARK JIN CHUN / JIN CHANG HO / RYOO YEON OK | European Patent Office | 2019

    Tension detector of wire rope

    Free access
    PARK JIN CHUN / KIM BO OK / JIN CHANG HO | European Patent Office | 2022