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 JP8257572UpriorityCriticalpatent/JPS5143794Y2/ja
Publication of JPS4941521UpublicationCriticalpatent/JPS4941521U/ja
Application grantedgrantedCritical
Publication of JPS5143794Y2publicationCriticalpatent/JPS5143794Y2/ja