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Priority claimed from GB858529511Aexternal-prioritypatent/GB8529511D0/en
Priority claimed from GB868620135Aexternal-prioritypatent/GB8620135D0/en
Priority claimed from PCT/GB1986/000725external-prioritypatent/WO1987003261A1/en
Application filed by Univ SheffieldfiledCriticalUniv Sheffield
Publication of NO872970D0publicationCriticalpatent/NO872970D0/en
Publication of NO872970LpublicationCriticalpatent/NO872970L/en
Publication of NO169950BpublicationCriticalpatent/NO169950B/en
Publication of NO169950CpublicationCriticalpatent/NO169950C/en