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Priority claimed from JP21295386Aexternal-prioritypatent/JPH0669382B2/en
Application filed by Takeda Chemical Industries LtdfiledCriticalTakeda Chemical Industries Ltd
Priority claimed from EP87300973Aexternal-prioritypatent/EP0233050B1/en
Application grantedgrantedCritical
Publication of ATE80662T1publicationCriticalpatent/ATE80662T1/en