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 JP2851876UpriorityCriticalpatent/JPS552011Y2/ja
Publication of JPS52119912UpublicationCriticalpatent/JPS52119912U/ja
Application grantedgrantedCritical
Publication of JPS552011Y2publicationCriticalpatent/JPS552011Y2/ja
