Rui-Quing Li

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Pointe-Claire, CA

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Patents Grantslast 30 patents

Information Patent Grant
Direct smelting or zinc concentrates and residues
- Patent number 5,443,614
- Issue date Aug 22, 1995
- Noranda, Inc.
- Rui-Quing Li
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...