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Priority to JP1975125700UpriorityCriticalpatent/JPS5610322Y2/ja
Priority to DE19762605786prioritypatent/DE2605786C3/de
Publication of JPS5238996UpublicationCriticalpatent/JPS5238996U/ja
Application grantedgrantedCritical
Publication of JPS5610322Y2publicationCriticalpatent/JPS5610322Y2/ja