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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Haupt Ammann & Roeder
Original Assignee
Haupt Ammann & Roeder
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Filing date
Publication date
Application filed by Haupt Ammann & RoederfiledCriticalHaupt Ammann & Roeder
Application grantedgrantedCritical
Publication of FR352257ApublicationCriticalpatent/FR352257A/fr