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classificationCode:"ipc:B63B"

    Sewage tank and liquid cargo ship with sewage tank

    Freier Zugriff
    ZHANG YONG / LI YINTAO / LIU YINGLIANG et al. | Europäisches Patentamt | 2022

    Reflective film, preparation thereof and application of reflective film in water surface floating type reflective floating body

    Freier Zugriff
    YE XIAO / ZHANG LIJUN / CHEN XIAOFENG et al. | Europäisches Patentamt | 2023

    Inked AR film, window assembly and device

    Freier Zugriff
    GAO YUKANG / CHEN CHAO / WANG ZHIJIAN et al. | Europäisches Patentamt | 2024