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Priority claimed from US08/723,913external-prioritypatent/US5892813A/en
Application filed by Matsushita Electric Industrial Co LtdfiledCriticalMatsushita Electric Industrial Co Ltd
Publication of HK1004178A1publicationCriticalpatent/HK1004178A1/en
Publication of HK1004178BpublicationCriticalpatent/HK1004178B/en