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Priority claimed from DE2449167Aexternal-prioritypatent/DE2449167C2/de
Application filed by Gruenenthal GmbhfiledCriticalGruenenthal Gmbh
Priority to AT300978ApriorityCriticalpatent/AT360186B/de
Publication of ATA300978ApublicationCriticalpatent/ATA300978A/de
Application grantedgrantedCritical
Publication of AT360186BpublicationCriticalpatent/AT360186B/de