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Priority claimed from GB858516505Aexternal-prioritypatent/GB8516505D0/en
Priority claimed from GB868608721Aexternal-prioritypatent/GB8608721D0/en
Priority claimed from PCT/GB1986/000379external-prioritypatent/WO1987000255A1/en
Application filed by Ford Mainwaring LtdfiledCriticalFord Mainwaring Ltd
Publication of NO870816D0publicationCriticalpatent/NO870816D0/en
Publication of NO870816LpublicationCriticalpatent/NO870816L/en