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Priority claimed from JP56003893Aexternal-prioritypatent/JPS57119277A/en
Priority claimed from JP56084314Aexternal-prioritypatent/JPS57199972A/en
Priority claimed from JP56099619Aexternal-prioritypatent/JPS582994A/en
Application filed by Toshiba KkfiledCriticalToshiba Kk
Priority claimed from EP82300197Aexternal-prioritypatent/EP0057520B1/en
Application grantedgrantedCritical
Publication of ATE26353T1publicationCriticalpatent/ATE26353T1/en