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Priority claimed from JP59139266Aexternal-prioritypatent/JPS6118783A/ja
Priority claimed from JP59175048Aexternal-prioritypatent/JPS6153288A/ja
Application filed by Toray IndustriesfiledCriticalToray Industries
Priority claimed from EP85304756Aexternal-prioritypatent/EP0171909B1/de
Application grantedgrantedCritical
Publication of ATE71381T1publicationCriticalpatent/ATE71381T1/de