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Priority claimed from DEG26878Aexternal-prioritypatent/DE1194124B/en
Priority claimed from DEN16955Aexternal-prioritypatent/DE1126809B/en
Application filed by Novi Patentverwertungs GmbhfiledCriticalNovi Patentverwertungs Gmbh
Application grantedgrantedCritical
Publication of AT238668BpublicationCriticalpatent/AT238668B/en