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Priority claimed from DEE18043Aexternal-prioritypatent/DE1118838B/de
Priority claimed from DEE18958Aexternal-prioritypatent/DE1122191B/de
Application filed by Elektromotoren Bernhard KirschfiledCriticalElektromotoren Bernhard Kirsch
Publication of BE606819ApublicationCriticalpatent/BE606819A/fr