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 JP1972073948UpriorityCriticalpatent/JPS5339833Y2/ja
Publication of JPS4930747UpublicationCriticalpatent/JPS4930747U/ja
Application grantedgrantedCritical
Publication of JPS5339833Y2publicationCriticalpatent/JPS5339833Y2/ja