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Priority claimed from US06/808,122external-prioritypatent/US4668680A/en
Priority claimed from US06/918,568external-prioritypatent/US4977154A/en
Application filed by Warner Lambert CofiledCriticalWarner Lambert Co
Application grantedgrantedCritical
Publication of ATE64385T1publicationCriticalpatent/ATE64385T1/en