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Priority claimed from JP3284881Aexternal-prioritypatent/JPS57149148A/ja
Priority claimed from JP9124081Aexternal-prioritypatent/JPS57149149A/ja
Application filed by Yoshiaki NagaurafiledCriticalYoshiaki Nagaura
Priority claimed from EP82301092Aexternal-prioritypatent/EP0060087B1/de
Application grantedgrantedCritical
Publication of ATE17066T1publicationCriticalpatent/ATE17066T1/de