Vilmos Stefaniay

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Budapest, HU

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Patents Grantslast 30 patents

Information Patent Grant
Flotation process for the enrichment of bauxites
- Patent number 3,990,965
- Issue date Nov 9, 1976
- Femipari Kutato Intezet
- Zsolt Csillag
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...