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Priority claimed from DE2806866Aexternal-prioritypatent/DE2806866C3/en
Application filed by Asta Werke Ag Chem FabfiledCriticalAsta Werke Ag Chem Fab
Priority to NO821428ApriorityCriticalpatent/NO149719C/en
Publication of NO821428LpublicationCriticalpatent/NO821428L/en
Publication of NO149719BpublicationCriticalpatent/NO149719B/en
Publication of NO149719CpublicationCriticalpatent/NO149719C/en