The Superior Oil Company

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both of, CA

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Patents Grantslast 30 patents

Information Patent Grant
Cupric and ferric chloride leach of metal sulphide-containing material
- Patent number 4,337,128
- Issue date Jun 29, 1982
- Elkem a/s
- Carl Haakonsen
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...