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Priority claimed from DE19752527723external-prioritypatent/DE2527723A1/de
Priority claimed from AT604475Aexternal-prioritypatent/AT348694B/de
Application filed by Gruenenthal GmbhfiledCriticalGruenenthal Gmbh
Application grantedgrantedCritical
Publication of AT354658BpublicationCriticalpatent/AT354658B/de
Publication of ATA721977ApublicationCriticalpatent/ATA721977A/de