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Priority claimed from DE2237770Aexternal-prioritypatent/DE2237770A1/en
Application filed by Thomae Gmbh Dr KfiledCriticalThomae Gmbh Dr K
Priority to AT225875ApriorityCriticalpatent/AT330182B/en
Publication of ATA225875ApublicationCriticalpatent/ATA225875A/en
Application grantedgrantedCritical
Publication of AT330182BpublicationCriticalpatent/AT330182B/en