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 JP6271572UpriorityCriticalpatent/JPS504225Y2/ja
Publication of JPS4920695UpublicationCriticalpatent/JPS4920695U/ja
Application grantedgrantedCritical
Publication of JPS504225Y2publicationCriticalpatent/JPS504225Y2/ja