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Priority claimed from JP58225425Aexternal-prioritypatent/JPS60118297A/ja
Priority claimed from JP59119522Aexternal-prioritypatent/JPS60261695A/ja
Priority claimed from JP59119521Aexternal-prioritypatent/JPS60261694A/ja
Priority claimed from JP59213091Aexternal-prioritypatent/JPS6190715A/ja
Application filed by Nippon Kokan KkfiledCriticalNippon Kokan Kk
Priority claimed from EP84114586Aexternal-prioritypatent/EP0144090B1/de
Application grantedgrantedCritical
Publication of ATE50196T1publicationCriticalpatent/ATE50196T1/de