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 JP6972772UpriorityCriticalpatent/JPS5028910Y2/ja
Publication of JPS4927568UpublicationCriticalpatent/JPS4927568U/ja
Application grantedgrantedCritical
Publication of JPS5028910Y2publicationCriticalpatent/JPS5028910Y2/ja
