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 JP1980137888UpriorityCriticalpatent/JPS596849Y2/ja
Publication of JPS5760661UpublicationCriticalpatent/JPS5760661U/ja
Application grantedgrantedCritical
Publication of JPS596849Y2publicationCriticalpatent/JPS596849Y2/ja