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Priority to JP1975110071UpriorityCriticalpatent/JPS5736517Y2/ja
Priority to US05/635,073prioritypatent/US4022997A/en
Publication of JPS5223441UpublicationCriticalpatent/JPS5223441U/ja
Application grantedgrantedCritical
Publication of JPS5736517Y2publicationCriticalpatent/JPS5736517Y2/ja