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Priority to JP19512681UpriorityCriticalpatent/JPS5896702U/ja
Priority to GB08216123Aprioritypatent/GB2104361B/en
Priority to FR8210877Aprioritypatent/FR2511832A1/fr
Publication of JPS5896702UpublicationCriticalpatent/JPS5896702U/ja
Application grantedgrantedCritical
Publication of JPS6235283Y2publicationCriticalpatent/JPS6235283Y2/ja