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Priority claimed from JP1977983Aexternal-prioritypatent/JPS59150070A/ja
Priority claimed from JP58019780Aexternal-prioritypatent/JPH0617556B2/ja
Application filed by Toshiba KkfiledCriticalToshiba Kk
Priority claimed from EP84101344Aexternal-prioritypatent/EP0119438B1/de
Application grantedgrantedCritical
Publication of ATE31082T1publicationCriticalpatent/ATE31082T1/de