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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DURAND FRANCOIS FR
Original Assignee
DURAND FRANCOIS FR
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Filing date
Publication date
Application filed by DURAND FRANCOIS FRfiledCriticalDURAND FRANCOIS FR
Priority to FR7220665ApriorityCriticalpatent/FR2188543A5/fr
Application grantedgrantedCritical
Publication of FR2188543A5publicationCriticalpatent/FR2188543A5/fr