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Priority to JP1976101790UpriorityCriticalpatent/JPS5713563Y2/ja
Priority to US05/813,184prioritypatent/US4126101A/en
Priority to DE19772730946prioritypatent/DE2730946A1/de
Publication of JPS5320044UpublicationCriticalpatent/JPS5320044U/ja
Application grantedgrantedCritical
Publication of JPS5713563Y2publicationCriticalpatent/JPS5713563Y2/ja