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Filing date
Publication date
Priority claimed from GB909018886Aexternal-prioritypatent/GB9018886D0/en
Priority claimed from PCT/GB1991/001477external-prioritypatent/WO1992004630A1/en
Application filed by Univ WalesfiledCriticalUniv Wales
Publication of NO930723D0publicationCriticalpatent/NO930723D0/no
Publication of NO930723LpublicationCriticalpatent/NO930723L/no