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 JP7674775UpriorityCriticalpatent/JPS575408Y2/ja
Publication of JPS51163625UpublicationCriticalpatent/JPS51163625U/ja
Application grantedgrantedCritical
Publication of JPS575408Y2publicationCriticalpatent/JPS575408Y2/ja
