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Priority claimed from JP26372090Aexternal-prioritypatent/JPH04145065A/ja
Priority claimed from JP3069916Aexternal-prioritypatent/JP2896818B2/ja
Application filed by Mitsubishi Rayon CofiledCriticalMitsubishi Rayon Co
Application grantedgrantedCritical
Publication of TW219932BpublicationCriticalpatent/TW219932B/zh