Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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RENE-EMILE TROTTIER
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RENE-EMILE TROTTIER
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Application filed by RENE-EMILE TROTTIERfiledCriticalRENE-EMILE TROTTIER
Application grantedgrantedCritical
Publication of FR467301ApublicationCriticalpatent/FR467301A/fr
Procédé et dispositifs pour la récupération de la fonte et d'autres métaux des poussières de hauts-fourneaux et en général des poussières métalliques et poussières de minerais
Procédé pour la fabrication de briquettes aptes au traitement d'extraction formées de poussière de haut fourneau, de poussière de minerai ou de minerais à grains fins