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 JP7596780UpriorityCriticalpatent/JPS6137860Y2/ja
Publication of JPS57120UpublicationCriticalpatent/JPS57120U/ja
Application grantedgrantedCritical
Publication of JPS6137860Y2publicationCriticalpatent/JPS6137860Y2/ja