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person:("Xie, Qinghua")

    Automatic hangar and forest fire reconnaissance system of unmanned aerial vehicle thereof

    Free access
    XIE QINGHUA / ZHANG XI / LI JIE | European Patent Office | 2024

    Water surface photovoltaic support

    Free access
    YAN BO / CHEN MINGYI / XIE QINGHUA et al. | European Patent Office | 2023

    Road surface self-adaptive intelligent trolley

    Free access
    ZHU DACHANG / DU BAOLIN / HUANG LEHAN et al. | European Patent Office | 2021

    Signal lamp fault detection method and device

    Free access
    LI HE / MA XIAOLONG / WANG HUAWEI et al. | European Patent Office | 2020