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Priority to JP1976013776UpriorityCriticalpatent/JPS5759943Y2/ja
Priority to US05/764,458prioritypatent/US4110740A/en
Publication of JPS52106164UpublicationCriticalpatent/JPS52106164U/ja
Application grantedgrantedCritical
Publication of JPS5759943Y2publicationCriticalpatent/JPS5759943Y2/ja