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Priority claimed from DE2346305Aexternal-prioritypatent/DE2346305A1/de
Application filed by Basf AgfiledCriticalBasf Ag
Priority to AT32676ApriorityCriticalpatent/AT336038B/de
Publication of ATA32676ApublicationCriticalpatent/ATA32676A/de
Application grantedgrantedCritical
Publication of AT336038BpublicationCriticalpatent/AT336038B/de