81–83 of 83 hits
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    ONLINE MONITORING SYSTEM FOR CRACK ON HOIST SPINDLE AND OPERATION METHOD THEREOF

    Free access
    LU HAO / CAO SHUANG / ZHU ZHENCAI et al. | European Patent Office | 2021

      Online monitoring system for crack on hoist spindle and operation method thereof

      Free access
      LU HAO / CAO SHUANG / ZHU ZHENCAI et al. | European Patent Office | 2021

    Online monitoring system for crack on hoist spindle and operation method thereof

    Free access
    ZHU ZHENCAI / LU HAO / CAO SHUANG et al. | European Patent Office | 2021

    SYSTEM AND METHOD FOR BOREHOLE INSPECTION FOR ULTRA-DEEP VERTICAL BOREHOLE

    Free access
    ZHOU GONGBO / TANG CHAOQUAN / ZHU ZHENCAI et al. | European Patent Office | 2022