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Priority to JP1008880UpriorityCriticalpatent/JPS6122048Y2/ja
Priority to US06/214,094prioritypatent/US4364528A/en
Publication of JPS56113554UpublicationCriticalpatent/JPS56113554U/ja
Application grantedgrantedCritical
Publication of JPS6122048Y2publicationCriticalpatent/JPS6122048Y2/ja