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Priority to JP1981047736UpriorityCriticalpatent/JPH0112936Y2/ja
Priority to DE8282301747Tprioritypatent/DE3271989D1/de
Priority to EP82301747Aprioritypatent/EP0062508B1/en
Priority to DE1982301747prioritypatent/DE62508T1/de
Publication of JPS57162043UpublicationCriticalpatent/JPS57162043U/ja
Application grantedgrantedCritical
Publication of JPH0112936Y2publicationCriticalpatent/JPH0112936Y2/ja