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Priority claimed from US06/522,753external-prioritypatent/US4512800A/en
Priority claimed from US06/522,754external-prioritypatent/US4481032A/en
Application filed by PfizerfiledCriticalPfizer
Priority claimed from EP84305326Aexternal-prioritypatent/EP0137618B1/de
Application grantedgrantedCritical
Publication of ATE35290T1publicationCriticalpatent/ATE35290T1/de