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Priority claimed from PCT/US1991/001029external-prioritypatent/WO1991012728A1/en
Application filed by Staley Mfg Co A EfiledCriticalStaley Mfg Co A E
Publication of NO923259D0publicationCriticalpatent/NO923259D0/en
Publication of NO923259LpublicationCriticalpatent/NO923259L/en