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Priority to JP317079UpriorityCriticalpatent/JPS6116584Y2/ja
Priority to US06/109,400prioritypatent/US4347412A/en
Publication of JPS55102718UpublicationCriticalpatent/JPS55102718U/ja
Application grantedgrantedCritical
Publication of JPS6116584Y2publicationCriticalpatent/JPS6116584Y2/ja