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Priority claimed from US06/131,340external-prioritypatent/US4316747A/en
Priority claimed from US06/131,339external-prioritypatent/US4316748A/en
Application filed by Univ New YorkfiledCriticalUniv New York
Priority claimed from EP19810101951external-prioritypatent/EP0037912B1/en
Application grantedgrantedCritical
Publication of ATE15074T1publicationCriticalpatent/ATE15074T1/en