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Priority claimed from JP13438479Aexternal-prioritypatent/JPS5657429A/en
Priority claimed from JP16123479Aexternal-prioritypatent/JPS5683324A/en
Application filed by Olympus Optical CofiledCriticalOlympus Optical Co
Priority claimed from EP80106342Aexternal-prioritypatent/EP0027651B1/en
Application grantedgrantedCritical
Publication of ATE12702T1publicationCriticalpatent/ATE12702T1/en