Paul Fossi

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Elancourt, FR

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Patents Grantslast 30 patents

Information Patent Grant
Process for the recovery and purification of germanium from zinc ores
- Patent number 4,090,871
- Issue date May 23, 1978
- Societe Miniere et Metallurgique de Penarroya
- Albert Lebleu
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...