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 JP1987102879UpriorityCriticalpatent/JPH0420931Y2/ja
Publication of JPS647669UpublicationCriticalpatent/JPS647669U/ja
Application grantedgrantedCritical
Publication of JPH0420931Y2publicationCriticalpatent/JPH0420931Y2/ja