TREA

Byung-Jun Song

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Patents Applicationslast 30 patents

  • Information Patent Application

    FOLDING SYSTEM
    • Publication number 20080202188
    • Publication date Aug 28, 2008
    • Byung-Jun Song
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Application

    FOLDING SYSTEM FOR A CUTTING BLADE
    • Publication number 20070068212
    • Publication date Mar 29, 2007
    • Byung-Jun Song
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...