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Publication date
Priority claimed from US05/898,887external-prioritypatent/US4264731A/en
Priority claimed from AT385678Aexternal-prioritypatent/AT371836B/en
Application filed by Univ CaliforniafiledCriticalUniv California
Priority to AT271182ApriorityCriticalpatent/AT386608B/en
Publication of ATA271182ApublicationCriticalpatent/ATA271182A/en
Application grantedgrantedCritical
Publication of AT386608BpublicationCriticalpatent/AT386608B/en