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Priority claimed from US06/025,293external-prioritypatent/US4218563A/en
Priority claimed from US06/025,294external-prioritypatent/US4220762A/en
Application filed by Merck & Co. Inc.filedCriticalMerck & Co. Inc.
Priority claimed from EP19800101634external-prioritypatent/EP0017170B1/de
Application grantedgrantedCritical
Publication of ATE3043T1publicationCriticalpatent/ATE3043T1/de