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Priority claimed from JP58229653Aexternal-prioritypatent/JPS60122316A/ja
Priority claimed from JP59090868Aexternal-prioritypatent/JPH0672784B2/ja
Application filed by Du PontfiledCriticalDu Pont
Priority claimed from EP84308404Aexternal-prioritypatent/EP0146303B1/de
Application grantedgrantedCritical
Publication of ATE67846T1publicationCriticalpatent/ATE67846T1/de