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.)
Priority date (The priority date 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 date listed.)
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Application filedfiledCritical
Priority to JP1974065075UpriorityCriticalpatent/JPS5533425Y2/ja
Publication of JPS51997UpublicationCriticalpatent/JPS51997U/ja
Application grantedgrantedCritical
Publication of JPS5533425Y2publicationCriticalpatent/JPS5533425Y2/ja
