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Helene S. R. Brandrup-Wognsen

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  • Ingaro, SE
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Patents Grantslast 30 patents

  • Information Patent Grant

    Diamond-impregnated hard material
    • Patent number 5,723,177
    • Issue date Mar 3, 1998
    • Sandvik AB
    • Helene S. R. Brandrup-Wognsen
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Grant

    Diamond-impregnated hard materials
    • Patent number 5,585,175
    • Issue date Dec 17, 1996
    • Sandvik AB
    • Helene S. R. Brandrup-Wognsen
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Grant

    Diamond coated body
    • Patent number 5,543,210
    • Issue date Aug 6, 1996
    • Sandvik AB
    • Gregor Kullander
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...