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classificationCode:"ipc:B63B"

    一种地震采集船用浮体大头

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    European Patent Office | 2024

    Floating type hydrology and water resource surveying device

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    LIU YAOFENG | European Patent Office | 2024

    一种自浮式海底沉积物温度探测装置

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    European Patent Office | 2024

    Novel hydrological test buoy device and system

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    WANG WENLIANG / ZHANG KEYANG / ZHANG JIAN | European Patent Office | 2024

    一种黑臭河流水污染控制与治理的方法及系统

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    European Patent Office | 2024

    一种海洋油气开采深度测量装置及其使用方法

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    European Patent Office | 2024

    Buoy

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    YAN PENGFEI / ZHOU JIAJIE / XIE SHUHONG et al. | European Patent Office | 2024

    提高精度的用于海洋测绘的水下定位装置

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    European Patent Office | 2024