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Priority claimed from JP61045104Aexternal-prioritypatent/JPS62201845A/ja
Priority claimed from JP14506986Aexternal-prioritypatent/JPS632941A/ja
Application filed by Kuraray CofiledCriticalKuraray Co
Priority claimed from EP87102298Aexternal-prioritypatent/EP0234496B2/de
Application grantedgrantedCritical
Publication of ATE80142T1publicationCriticalpatent/ATE80142T1/de