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 JP1972072700UpriorityCriticalpatent/JPS5213228Y2/ja
Publication of JPS4930439UpublicationCriticalpatent/JPS4930439U/ja
Application grantedgrantedCritical
Publication of JPS5213228Y2publicationCriticalpatent/JPS5213228Y2/ja
