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Priority claimed from GB909009559Aexternal-prioritypatent/GB9009559D0/en
Priority claimed from GB909021514Aexternal-prioritypatent/GB9021514D0/en
Priority claimed from PCT/GB1991/000488external-prioritypatent/WO1991017359A1/en
Application filed by Hydro Energy Ass LtdfiledCriticalHydro Energy Ass Ltd
Publication of NO924068D0publicationCriticalpatent/NO924068D0/en
Publication of NO924068LpublicationCriticalpatent/NO924068L/en