DCRS (Barbados) Ltd.

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Information Patent Grant
Waterflow differential electrical charging process for ores
- Patent number 4,975,182
- Issue date Dec 4, 1990
- DCRS (Barbados) Ltd.
- Robert R. Barefoot
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...

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