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Priority claimed from GB898921305Aexternal-prioritypatent/GB8921305D0/en
Priority claimed from PCT/GB1990/001455external-prioritypatent/WO1991004152A1/en
Application filed by Stanley Brian PaynefiledCriticalStanley Brian Payne
Publication of NO911948D0publicationCriticalpatent/NO911948D0/en
Publication of NO911948LpublicationCriticalpatent/NO911948L/en