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 JP16424375UpriorityCriticalpatent/JPS5421215Y2/ja
Publication of JPS5277211UpublicationCriticalpatent/JPS5277211U/ja
Application grantedgrantedCritical
Publication of JPS5421215Y2publicationCriticalpatent/JPS5421215Y2/ja