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Priority claimed from DE2338932Aexternal-prioritypatent/DE2338932C3/de
Application filed by Boehringer Mannheim GmbhfiledCriticalBoehringer Mannheim Gmbh
Publication of ATA490476ApublicationCriticalpatent/ATA490476A/de
Application grantedgrantedCritical
Publication of AT347044BpublicationCriticalpatent/AT347044B/de