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Dampierre, FR
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last 30 patents
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Patent Grant
Method of extracting constituent metal values from polymetallic nod...
Patent number
4,016,055
Issue date
Apr 5, 1977
Societe Metallurgique Le Nickel SLN
Louis Gandon
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...