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Priority claimed from GB909014514Aexternal-prioritypatent/GB9014514D0/en
Priority claimed from PCT/GB1991/001062external-prioritypatent/WO1992000482A1/en
Application filed by Duco LtdfiledCriticalDuco Ltd
Publication of NO924928LpublicationCriticalpatent/NO924928L/en
Publication of NO924928D0publicationCriticalpatent/NO924928D0/en
Publication of NO303704B1publicationCriticalpatent/NO303704B1/en