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Priority claimed from DD25552383Aexternal-prioritypatent/DD249037A1/de
Priority claimed from US06/585,417external-prioritypatent/US4764469A/en
Application filed by Univ OklahomafiledCriticalUniv Oklahoma
Priority claimed from EP84306851Aexternal-prioritypatent/EP0151337B1/de
Application grantedgrantedCritical
Publication of ATE61816T1publicationCriticalpatent/ATE61816T1/de