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Priority claimed from JP22936784Aexternal-prioritypatent/JPS61106571A/en
Priority claimed from JP4338085Aexternal-prioritypatent/JPS61200916A/en
Application filed by Kuraray CofiledCriticalKuraray Co
Priority claimed from EP85113726Aexternal-prioritypatent/EP0180190B1/en
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Publication of ATE50995T1publicationCriticalpatent/ATE50995T1/en