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Priority claimed from JP60225368Aexternal-prioritypatent/JPS6284735A/ja
Priority claimed from JP15951485Uexternal-prioritypatent/JPH0411431Y2/ja
Application filed by Olympus Optical CofiledCriticalOlympus Optical Co
Priority claimed from EP86113779Aexternal-prioritypatent/EP0218226B1/de
Application grantedgrantedCritical
Publication of ATE76238T1publicationCriticalpatent/ATE76238T1/de