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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Publication date
Application filed by IndividualfiledCriticalIndividual
Application grantedgrantedCritical
Publication of FR460558ApublicationCriticalpatent/FR460558A/fr
éléments de construction à plusieurs cloisons, procédé pour leur fabrication, et procédé pour la construction de bâtiments à l'aide de ces éléments
Manchon isolant de diamètre variable, en papier comprimé, particulièrement convenable à l'isolation dans les transformateurs, et procédé pour sa fabrication