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 JP11567972UpriorityCriticalpatent/JPS523338Y2/ja
Publication of JPS4972044UpublicationCriticalpatent/JPS4972044U/ja
Application grantedgrantedCritical
Publication of JPS523338Y2publicationCriticalpatent/JPS523338Y2/ja