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Publication date
Priority claimed from GB868601678Aexternal-prioritypatent/GB8601678D0/en
Priority claimed from PCT/GB1987/000038external-prioritypatent/WO1987004479A1/en
Application filed by Cange Controls Ltd, Raymond EterefiledCriticalCange Controls Ltd
Publication of NO873968D0publicationCriticalpatent/NO873968D0/no
Publication of NO873968LpublicationCriticalpatent/NO873968L/no