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Publication date
Priority claimed from GB30923/75Aexternal-prioritypatent/GB1493848A/en
Priority claimed from AT537177Aexternal-prioritypatent/AT350033B/en
Application filed by Beecham Group LtdfiledCriticalBeecham Group Ltd
Publication of ATA630777ApublicationCriticalpatent/ATA630777A/en
Application grantedgrantedCritical
Publication of AT348511BpublicationCriticalpatent/AT348511B/en