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Priority claimed from DE2509797Aexternal-prioritypatent/DE2509797C2/en
Priority claimed from DE19752558273external-prioritypatent/DE2558273A1/en
Application filed by Thomae Gmbh Dr KfiledCriticalThomae Gmbh Dr K
Publication of HU174857BpublicationCriticalpatent/HU174857B/en