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Priority claimed from JP6865185Aexternal-prioritypatent/JPS61228018A/ja
Priority claimed from JP7779285Aexternal-prioritypatent/JPS61236816A/ja
Priority claimed from JP28751985Aexternal-prioritypatent/JPS62146915A/ja
Application filed by Asahi Denka Kogyo Kk, Acr Co LtdfiledCriticalAsahi Denka Kogyo Kk
Priority claimed from EP86104282Aexternal-prioritypatent/EP0197458B1/de
Application grantedgrantedCritical
Publication of ATE69245T1publicationCriticalpatent/ATE69245T1/de