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Priority claimed from JP59077498Aexternal-prioritypatent/JPS60225805A/ja
Priority claimed from JP59220489Aexternal-prioritypatent/JPS6199112A/ja
Application filed by Du PontfiledCriticalDu Pont
Priority claimed from EP85302729Aexternal-prioritypatent/EP0159198B1/de
Application grantedgrantedCritical
Publication of ATE91030T1publicationCriticalpatent/ATE91030T1/de