1–4 von 4 Ergebnissen
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    ROTARY POWER FAILURE ANTI-LOCK METHOD AND SYSTEM, TOWER CRANE, AND STORAGE MEDIUM

    Freier Zugriff
    LI YANGYANG / TIAN QINGWEN / LI YANG | Europäisches Patentamt | 2023

    Guide plate functional surface imitating Laval nozzle structure and manufacturing method thereof

    Freier Zugriff
    LI QIANQIAN / HU YIWEN / LIU AILING et al. | Europäisches Patentamt | 2020