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FR377257D1907-04-291907-04-29Procédé pour agglomérer, sous forme de briquettes, les déchets de minerais et autres matières analogues
ExpiredFR377257A
(fr)
Procédé pour la production d'étain, de sels d'étain et de combinaisons de l'étain des scories stannifères et d'autres produits et matières premières semblables