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Priority claimed from JP6174200Aexternal-prioritypatent/JPH0834158A/ja
Priority claimed from JP7008797Aexternal-prioritypatent/JPH08197858A/ja
Priority claimed from JP19074495Aexternal-prioritypatent/JPH091994A/ja
Application filed by Sony Co LtdfiledCriticalSony Co Ltd
Application grantedgrantedCritical
Publication of TW290500BpublicationCriticalpatent/TW290500B/zh