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 JP1987019976UpriorityCriticalpatent/JPH0520331Y2/ja
Publication of JPS63128892UpublicationCriticalpatent/JPS63128892U/ja
Application grantedgrantedCritical
Publication of JPH0520331Y2publicationCriticalpatent/JPH0520331Y2/ja
