Matthias Welsch

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415 Krefeld-Uerdingen, DT

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Patents Grantslast 30 patents

Information Patent Grant
Process for the production of aluminum
- Patent number 4,007,771
- Issue date Feb 15, 1977
- Matthias Welsch
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...