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Guy Ranchin
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Versailles, FR
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last 30 patents
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Patent Grant
Process for the beneficiation of phosphate ores
Patent number
4,436,616
Issue date
Mar 13, 1984
Philippe Dufour
B03 - SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES O...
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Patent Grant
Process of upgrading nickeliferous oxide ores of lateritic origin
Patent number
4,362,558
Issue date
Dec 7, 1982
Societe Metallurgique le Nickel-SLN
Andre Desnoes
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...