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Priority claimed from DE1900127453Dexternal-prioritypatent/DE127453C/de
Priority claimed from DE1901131326Dexternal-prioritypatent/DE131326C/de
Application filed by Wilhelm OhsefiledCriticalWilhelm Ohse
Application grantedgrantedCritical
Publication of AT12024BpublicationCriticalpatent/AT12024B/de