Sitg-Erik Hultholm

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Pori, FI

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Patents Grantslast 30 patents

Information Patent Grant
Hydrometallurgical process for the treatment of oxides and ferrites...
- Patent number 4,219,354
- Issue date Aug 26, 1980
- Outokumpu Oy
- Jussi K. Rastas
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...