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Priority claimed from DE19752538282external-prioritypatent/DE2538282A1/en
Priority claimed from AT57976Aexternal-prioritypatent/AT348444B/en
Application filed by Basf AgfiledCriticalBasf Ag
Publication of ATA57978ApublicationCriticalpatent/ATA57978A/en
Application grantedgrantedCritical
Publication of AT356777BpublicationCriticalpatent/AT356777B/en