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Kerong RUAN

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  • Xiamen, CN
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Patents Applicationslast 30 patents

  • Information Patent Application

    DIAMOND GRINDING DISC
    • Publication number 20160144485
    • Publication date May 26, 2016
    • Kerong Ruan
    • B24 - GRINDING POLISHING
  • Information Patent Application

    DIAMOND WIRE SAW PREVENTING ROTATION OF BEADS
    • Publication number 20150328702
    • Publication date Nov 19, 2015
    • Kerong RUAN
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR