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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Publication date
Application filedfiledCritical
Priority to JP14631984UpriorityCriticalpatent/JPS631982Y2/ja
Publication of JPS6161972UpublicationCriticalpatent/JPS6161972U/ja
Application grantedgrantedCritical
Publication of JPS631982Y2publicationCriticalpatent/JPS631982Y2/ja
