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Priority claimed from JP55150976Aexternal-prioritypatent/JPS5775631A/ja
Priority claimed from JP55150975Aexternal-prioritypatent/JPS5775630A/ja
Application filed by Olympus Optical Co., Ltd.filedCriticalOlympus Optical Co., Ltd.
Priority claimed from EP81108657Aexternal-prioritypatent/EP0050834B1/de
Application grantedgrantedCritical
Publication of ATE7102T1publicationCriticalpatent/ATE7102T1/de