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 JP1975145210UpriorityCriticalpatent/JPS531665Y2/ja
Publication of JPS5257393UpublicationCriticalpatent/JPS5257393U/ja
Application grantedgrantedCritical
Publication of JPS531665Y2publicationCriticalpatent/JPS531665Y2/ja