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Priority claimed from US06/324,447external-prioritypatent/US4417967A/en
Application filed by Univ GeorgetownfiledCriticalUniv Georgetown
Publication of NO832486LpublicationCriticalpatent/NO832486L/no
Publication of NO160177BpublicationCriticalpatent/NO160177B/no
Publication of NO160177CpublicationCriticalpatent/NO160177C/no