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Priority claimed from JP7599686Aexternal-prioritypatent/JPH0717618B2/ja
Priority claimed from JP61085255Aexternal-prioritypatent/JPH0745478B2/ja
Application filed by Sankyo CofiledCriticalSankyo Co
Priority claimed from EP87302443Aexternal-prioritypatent/EP0238357B1/de
Application grantedgrantedCritical
Publication of ATE63905T1publicationCriticalpatent/ATE63905T1/de