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Priority claimed from JP13414679Aexternal-prioritypatent/JPS5660527A/en
Priority claimed from JP13414579Aexternal-prioritypatent/JPS5660526A/en
Application filed by Olympus Optical Co., Ltd.filedCriticalOlympus Optical Co., Ltd.
Priority claimed from EP80106158Aexternal-prioritypatent/EP0027608B1/en
Application grantedgrantedCritical
Publication of ATE3810T1publicationCriticalpatent/ATE3810T1/en