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Priority to JP1514475UpriorityCriticalpatent/JPS5642869Y2/ja
Priority to DE19752558950prioritypatent/DE2558950A1/de
Publication of JPS5197409UpublicationCriticalpatent/JPS5197409U/ja
Application grantedgrantedCritical
Publication of JPS5642869Y2publicationCriticalpatent/JPS5642869Y2/ja