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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Application filedfiledCritical
Priority to JP12593175UpriorityCriticalpatent/JPS56306Y2/ja
Publication of JPS5240131UpublicationCriticalpatent/JPS5240131U/ja
Application grantedgrantedCritical
Publication of JPS56306Y2publicationCriticalpatent/JPS56306Y2/ja
