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Priority claimed from GB8111513Aexternal-prioritypatent/GB2074436B/en
Application filed by Howard FoundationfiledCriticalHoward Foundation
Publication of NO813690LpublicationCriticalpatent/NO813690L/en
Publication of NO160822BpublicationCriticalpatent/NO160822B/en
Publication of NO160822CpublicationCriticalpatent/NO160822C/en