Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Priority to JP12563075UpriorityCriticalpatent/JPS567302Y2/ja
Publication of JPS5238776UpublicationCriticalpatent/JPS5238776U/ja
Application grantedgrantedCritical
Publication of JPS567302Y2publicationCriticalpatent/JPS567302Y2/ja
