Hans Persson

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Pointe-Claire, CA

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Patents Grantslast 30 patents

Information Patent Grant
Process for converting of solid high-grade copper matte
- Patent number 5,007,959
- Issue date Apr 16, 1991
- Noranda Inc.
- Marc Reist
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...