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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Individual
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Individual
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Application filed by IndividualfiledCriticalIndividual
Application grantedgrantedCritical
Publication of FR417272ApublicationCriticalpatent/FR417272A/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