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Priority claimed from JP56060781Aexternal-prioritypatent/JPS57175278A/ja
Priority claimed from JP56060782Aexternal-prioritypatent/JPS57175279A/ja
Application filed by Olympus Optical CofiledCriticalOlympus Optical Co
Priority claimed from EP82103270Aexternal-prioritypatent/EP0063771B1/de
Application grantedgrantedCritical
Publication of ATE17892T1publicationCriticalpatent/ATE17892T1/de