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classificationCode:"ipc:F21V"

    LED LIGHTING DEVICE

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    OKUMURA MASAHIRO / YAMAMOTO SHUNJI / SUGAWARA MAMORU | European Patent Office | 2021

    电梯吊顶的多功能灯具设备

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    European Patent Office | 2024

    Heat dissipation device of LED traffic signal lamp

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    WU BAOPING | European Patent Office | 2020

    LED Driving unit housing of airfield light for heat dissipation

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    LIM DAEYOUNG / LIM MINSU / JE SEUNGSON et al. | European Patent Office | 2023

    RUNWAY-EMBEDDED TYPE FLASH DEVICE

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    MIZOBE NORIMASA | European Patent Office | 2023

    一种同步显示信号光枪及便携式灯光通信设备

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    European Patent Office | 2022

    Intelligent lighting monitoring street lamp

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    HU HENGQUAN | European Patent Office | 2020

    Automatically Controlled Lighting

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    SHIN JAE HEE | European Patent Office | 2023

    Embedded type anti-collision light with improved optical performance

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    YANG CHUNG IL | European Patent Office | 2021

    間接照明のためのモジュラーシステム

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    European Patent Office | 2024