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GEA Group AG
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Metallgesellschaft AG
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Publication of FR760615ApublicationCriticalpatent/FR760615A/fr
C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
C22B1/00—Preliminary treatment of ores or scrap
C22B1/02—Roasting processes
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FR760615D1933-09-081933-09-08Procédé de sulfatation des métaux non ferreux contenus dans les minerais sulfureux ou résidus, à teneur de fer
ExpiredFR760615A
(fr)
Procédé pour unir du fer ou des alliages ferreux avec des métaux ou alliages non ferreux, des alliages ou métaux non ferreux entre eux, ou des métaux ou alliages avec des matières non métalliques