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Priority claimed from US06/600,252external-prioritypatent/US4512982A/en
Priority claimed from US06/616,529external-prioritypatent/US4518590A/en
Application filed by PfizerfiledCriticalPfizer
Application grantedgrantedCritical
Publication of ATE37550T1publicationCriticalpatent/ATE37550T1/de