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 JP11237272UpriorityCriticalpatent/JPS5131887Y2/ja
Publication of JPS4970250UpublicationCriticalpatent/JPS4970250U/ja
Application grantedgrantedCritical
Publication of JPS5131887Y2publicationCriticalpatent/JPS5131887Y2/ja