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 JP6050872UpriorityCriticalpatent/JPS51415Y2/ja
Publication of JPS4920610UpublicationCriticalpatent/JPS4920610U/ja
Application grantedgrantedCritical
Publication of JPS51415Y2publicationCriticalpatent/JPS51415Y2/ja
