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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Gebr Oettinger
Original Assignee
Gebr Oettinger
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Filing date
Publication of DE1580CpublicationCriticalpatent/DE1580C/de
Application filed by Gebr OettingerfiledCriticalGebr Oettinger