Christian Vautrelle

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Clery-St-Andre, FR

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Patents Grantslast 30 patents

Information Patent Grant
Selective flocculation process for treating fines of phosphate ores
- Patent number 4,235,709
- Issue date Nov 25, 1980
- Bureau de Recherches Geologiques et Minieres
- Gerard Baudet
- C01 - INORGANIC CHEMISTRY