Sherrit Gordon Mines Limited

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Toronto, CA

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Process for recovery of copper and zinc from complex sulphides
- Patent number 4,157,912
- Issue date Jun 12, 1979
- Cominco Ltd.
- Donald R. Weir
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...

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