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Priority claimed from US06/507,602external-prioritypatent/US4788084A/en
Priority claimed from US06/507,612external-prioritypatent/US4911797A/en
Application filed by American Cyanamid CofiledCriticalAmerican Cyanamid Co
Priority claimed from EP84107100Aexternal-prioritypatent/EP0137912B1/de
Application grantedgrantedCritical
Publication of ATE52817T1publicationCriticalpatent/ATE52817T1/de