1–6 von 6 Ergebnissen
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    Motor vehicle air pollution regulation and control system and method based on cross-modal technology

    Freier Zugriff
    PEI ZHENGQI / MAO HONGJUN / YU QIUXIN et al. | Europäisches Patentamt | 2021

    Steel rail crawling displacement detection system and detection method

    Freier Zugriff
    LAN WEI / HU CHENGKAI / MAO HONGJUN et al. | Europäisches Patentamt | 2022