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Priority claimed from JP1981072231Uexternal-prioritypatent/JPS57184606U/ja
Priority claimed from JP1982052487Uexternal-prioritypatent/JPS58154613U/ja
Application filed by Hideo KurashimafiledCriticalHideo Kurashima
Priority claimed from EP19820302531external-prioritypatent/EP0065868B1/de
Application grantedgrantedCritical
Publication of ATE16447T1publicationCriticalpatent/ATE16447T1/de