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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Seidel & Naumann AG
Original Assignee
Seidel & Naumann AG
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Publication date
Application filed by Seidel & Naumann AGfiledCriticalSeidel & Naumann AG
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Publication of FR432519ApublicationCriticalpatent/FR432519A/en