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Priority claimed from JP6279510Aexternal-prioritypatent/JP2602786B2/en
Application filed by International Business Machines Corporation, Ricoh Company Ltd., Hosiden CorporationfiledCriticalInternational Business Machines Corporation
Publication of HK1000150A1publicationCriticalpatent/HK1000150A1/en
Publication of HK1000150BpublicationCriticalpatent/HK1000150B/en