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Priority claimed from JP56040820Aexternal-prioritypatent/JPS57156744A/en
Priority claimed from JP56040823Aexternal-prioritypatent/JPS57156747A/en
Priority claimed from JP56040819Aexternal-prioritypatent/JPS57156743A/en
Priority claimed from JP56040822Aexternal-prioritypatent/JPS57156746A/en
Application filed by Olympus Optical CofiledCriticalOlympus Optical Co
Priority claimed from EP82301452Aexternal-prioritypatent/EP0061331B1/en
Application grantedgrantedCritical
Publication of ATE17548T1publicationCriticalpatent/ATE17548T1/en