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  • Changwon-si, KR
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Patents Grantslast 30 patents

  • Information Patent Grant

    Method for welding hollow structure
    • Patent number 8,590,767
    • Issue date Nov 26, 2013
    • Research Institute of Industrial Science & Technology
    • Chang-Kun Chun
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR

Patents Applicationslast 30 patents

  • Information Patent Application

    METHOD FOR WELDING HOLLOW STRUCTURE
    • Publication number 20120325894
    • Publication date Dec 27, 2012
    • Research Institute of Industrial Science & Technology
    • Chang-Kun CHUN
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR