David Markham

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Maidenhead, GB

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Patents Grantslast 30 patents

Information Patent Grant
Process of extracting a metal value
- Patent number 4,455,234
- Issue date Jun 19, 1984
- Michigan State University
- David Markham
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...