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person:(Liu, Lei)

    Sound insulation pad manufacturing method and sound insulation pad

    Free access
    LI YIPU / XU JIE / WANG YI et al. | European Patent Office | 2020

    Fiber sling device for radar scattering cross section test

    Free access
    ZHANG JIAN / YANG SHUAI / ZHANG LIANGLIANG et al. | European Patent Office | 2020

    Coke-barrier vehicle track foundation base plate adjusting device

    Free access
    LIU JIANXUN / HAN YONGJI / DAI XIAOPEI et al. | European Patent Office | 2020

    Integrated device for eliminating vortex and preventing collapse and filtering

    Free access
    SUN SHANXIU / MA FANGCHAO / LIU WENCHUAN et al. | European Patent Office | 2020

    Novel environment-friendly dredging sand loading barge

    Free access
    PENG LINGSHENG / LIU QI / GUO CHANGZAI et al. | European Patent Office | 2020

    Low-density polyethylene tire and production technology

    Free access
    SUN BAOQUAN / QU FENGLIN / LIU LEI | European Patent Office | 2015