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Priority claimed from US06/669,916external-prioritypatent/US4666917A/en
Priority claimed from US06/669,917external-prioritypatent/US4696936A/en
Application filed by American Cyanamid CofiledCriticalAmerican Cyanamid Co
Priority claimed from EP19850112985external-prioritypatent/EP0180812B1/de
Application grantedgrantedCritical
Publication of ATE63546T1publicationCriticalpatent/ATE63546T1/de