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Priority claimed from JP57173321Aexternal-prioritypatent/JPS5964053A/en
Priority claimed from JP58084197Aexternal-prioritypatent/JPS59211458A/en
Application filed by Toray IndustriesfiledCriticalToray Industries
Priority claimed from EP83109905Aexternal-prioritypatent/EP0107119B1/en
Application grantedgrantedCritical
Publication of ATE25337T1publicationCriticalpatent/ATE25337T1/en