Horst Weigel

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Cologne-Bruck, DT

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Patents Grantslast 30 patents

Information Patent Grant
Method for thermal treatment of nickel ore
- Patent number 4,049,445
- Issue date Sep 20, 1977
- Klockner-Humboldt-Deutz Aktiengesellschaft
- Horst Weigel
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Thermal method for the recovery of metals and/or metal combinations...
- Patent number 4,017,307
- Issue date Apr 12, 1977
- Klockner-Humboldt-Deutz Aktiengesellschaft
- Helmut Winterhager
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...