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Priority claimed from GB36997/76Aexternal-prioritypatent/GB1567911A/en
Priority claimed from US05/821,854external-prioritypatent/US4176230A/en
Application filed by Hoffmann La RochefiledCriticalHoffmann La Roche
Priority to AT448480ApriorityCriticalpatent/AT363084B/de
Publication of ATA448480ApublicationCriticalpatent/ATA448480A/de
Application grantedgrantedCritical
Publication of AT363084BpublicationCriticalpatent/AT363084B/de