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classificationCode:"ipc:B63B"

    Automatic fish lead falling-off device capable of preventing floating objects

    Freier Zugriff
    MAO YUWEN / XIAO WEI / ZHANG YU et al. | Europäisches Patentamt | 2023

    Ship fouling monitoring and evaluation method based on overall fouling coefficient

    Freier Zugriff
    QIU BOHUA / ZHANG YU / WEI MUHENG et al. | Europäisches Patentamt | 2020

    Photoelectric buoy for hydrological monitoring

    Freier Zugriff
    GAO WEI / ZHENG YUAN / LIU LIJING et al. | Europäisches Patentamt | 2023

    Navigation mark collision monitoring evidence obtaining system and evidence obtaining method

    Freier Zugriff
    ZHANG JUNPING / WANG YONG / WANG HUI et al. | Europäisches Patentamt | 2023

    Offshore measurement equipment and data transmission method

    Freier Zugriff
    HANG ZHAOFENG / ZHANG BO / QIU XU et al. | Europäisches Patentamt | 2022