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Priority claimed from JP57007519Aexternal-prioritypatent/JPS58124575A/ja
Priority claimed from JP57057245Aexternal-prioritypatent/JPS58177847A/ja
Application filed by Toshiba KkfiledCriticalToshiba Kk
Priority claimed from EP83300066Aexternal-prioritypatent/EP0084931B1/de
Application grantedgrantedCritical
Publication of ATE12756T1publicationCriticalpatent/ATE12756T1/de