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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Groshaupt & Maquelin
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Groshaupt & Maquelin
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Application filed by Groshaupt & MaquelinfiledCriticalGroshaupt & Maquelin
Application grantedgrantedCritical
Publication of FR547813ApublicationCriticalpatent/FR547813A/fr