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.)
Filing date
Publication date
Application filedfiledCritical
Priority to JP18404380UpriorityCriticalpatent/JPS6137983Y2/ja
Publication of JPS57108557UpublicationCriticalpatent/JPS57108557U/ja
Application grantedgrantedCritical
Publication of JPS6137983Y2publicationCriticalpatent/JPS6137983Y2/ja