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Lars-Goran Bjorkqvist
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Espoo, FI
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last 30 patents
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Patent Grant
Process for the recovery of zinc, copper and cadmium in the leachin...
Patent number
4,383,979
Issue date
May 17, 1983
Outokumpu Oy
Jussi K. Rastas
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Hydrometallurgical process for the treatment of a raw material whic...
Patent number
4,362,702
Issue date
Dec 7, 1982
Outokumpu Oy
Jussi K. Rastas
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...