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Priority claimed from US06/396,244external-prioritypatent/US4452651A/en
Priority claimed from GB8527073Aexternal-prioritypatent/GB2182674B/en
Application filed by Chugai Electric Ind Co LtdfiledCriticalChugai Electric Ind Co Ltd
Publication of SG73290GpublicationCriticalpatent/SG73290G/en