Oliver Grässel

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4700 Krefeld, DE

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Patents Grantslast 30 patents

Information Patent Grant
Light constructional steel and the use thereof
- Patent number 6,387,192
- Issue date May 14, 2002
- Georg Frommeyer
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...