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 JP1447572UpriorityCriticalpatent/JPS5243973Y2/ja
Publication of JPS4890568UpublicationCriticalpatent/JPS4890568U/ja
Application grantedgrantedCritical
Publication of JPS5243973Y2publicationCriticalpatent/JPS5243973Y2/ja