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Priority claimed from JP59266408Aexternal-prioritypatent/JP2785822B2/ja
Priority claimed from JP59266407Aexternal-prioritypatent/JPH0793723B2/ja
Priority claimed from JP59269868Aexternal-prioritypatent/JP2785823B2/ja
Application filed by Sony CorpfiledCriticalSony Corp
Priority claimed from EP85309127Aexternal-prioritypatent/EP0185533B1/de
Application grantedgrantedCritical
Publication of ATE62094T1publicationCriticalpatent/ATE62094T1/de