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classificationCode:("ipc:G08G")

    UP AND DOWN TYPE ENTRANCE BLOCKING APPARATUS

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    JANG HYUN SIL | European Patent Office | 2024

    TRAFFIC LIGHTS INTERLOCKED COOLING CLEAN ROAD SYSTEM AND CONSTRUCTION METHOD THEREOF

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    JANG HYUN SIL | European Patent Office | 2021

    SMART INTEGRATED POLE SYSTEM HAVING HOLOGRAM TYPE TRAFFIC INFORMATION DEVICE

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    JANG HYUN SIL / CHOI WOO HYOUNG | European Patent Office | 2023

    SINGLE-LAYERED WINDING TYPE LIFTING CABLE REEL

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    JANG HYUN SIL | European Patent Office | 2023

    ROAD TRAFFIC SAFETY FACILITY HAVING EMERGENCY ELECTRIC POWER SOURCE

    Free access
    JANG HYUN SIL | European Patent Office | 2024

    ROAD SPRAY SYSTEM CAPABLE OF CONVENIENT MAINTENANCE AND CONSTRUCTION METHOD THEREOF

    Free access
    JANG HYUN SIL | European Patent Office | 2021

    LIQUID SPRINKLER SYSTEM FOR LANE SEPARATION

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    JANG HYUN SIL | European Patent Office | 2023

    ENTRANCE BLOCKING APPARATUS FOR VEHICLS

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    JANG HYUN SIL | European Patent Office | 2024

    AUTOMATIC CONTROL TYPE TUNNEL ENTRANCE BLOCKING APPARATUS

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    JANG HYUN SIL | European Patent Office | 2021

      AUTOMATIC CONTROL TYPE TUNNEL ENTRANCE BLOCKING APPARATUS

      Free access
      JANG HYUN SIL | European Patent Office | 2022

      AUTOMATIC CONTROL TYPE TUNNEL ENTRANCE BLOCKING APPARATUS

      Free access
      JANG HYUN SIL | European Patent Office | 2020