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Ralf Kolleck

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Patents Grantslast 30 patents

Patents Applicationslast 30 patents

  • Information Patent Application

    METHOD AND DEVICE FOR JOINT-WELDING COATED METAL SHEETS
    • Publication number 20140231395
    • Publication date Aug 21, 2014
    • Max Brandt
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    Hot Forming with Inlay Material
    • Publication number 20120137498
    • Publication date Jun 7, 2012
    • ThyssenKrupp Steel Europe AG
    • Franz-Josef Lenze
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...