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Priority to JP1979038447UpriorityCriticalpatent/JPS5735760Y2/ja
Priority to US06/093,596prioritypatent/US4350472A/en
Publication of JPS55137288UpublicationCriticalpatent/JPS55137288U/ja
Application grantedgrantedCritical
Publication of JPS5735760Y2publicationCriticalpatent/JPS5735760Y2/ja