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Priority claimed from JP5139181Aexternal-prioritypatent/JPS6015872B2/ja
Priority claimed from JP5139281Aexternal-prioritypatent/JPS5949515B2/ja
Application filed by Kawasaki Steel CofiledCriticalKawasaki Steel Co
Priority claimed from EP19820301527external-prioritypatent/EP0062986B1/de
Application grantedgrantedCritical
Publication of ATE15814T1publicationCriticalpatent/ATE15814T1/de