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Priority claimed from US06/939,507external-prioritypatent/US4710508A/en
Priority claimed from US07/091,893external-prioritypatent/US4786648A/en
Application filed by Warner Lambert CofiledCriticalWarner Lambert Co
Application grantedgrantedCritical
Publication of ATE87912T1publicationCriticalpatent/ATE87912T1/de