Helmut Worz

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Patents Grantslast 30 patents

Information Patent Grant
Hydrometallurgical process for the separation and enrichment of gol...
- Patent number 4,770,700
- Issue date Sep 13, 1988
- Austria Metal Aktiengesellschaft
- Josef Bertha
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...