Francois M. I. G. Terwinghe

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Mol, BE

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Patents Grantslast 30 patents

Information Patent Grant
Process for the extraction of zinc from sulphide concentrates
- Patent number 5,858,315
- Issue date Jan 12, 1999
- N.V. Union Miniere S.A.
- John W. Van Put
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...