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Priority claimed from GB898912185Aexternal-prioritypatent/GB8912185D0/en
Priority claimed from PCT/GB1990/000821external-prioritypatent/WO1990014058A1/en
Application filed by Booth MichaelfiledCriticalBooth Michael
Publication of NO914390D0publicationCriticalpatent/NO914390D0/no
Publication of NO914390LpublicationCriticalpatent/NO914390L/no