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 JP1987131843UpriorityCriticalpatent/JP2538271Y2/ja
Publication of JPS6436738UpublicationCriticalpatent/JPS6436738U/ja
Application grantedgrantedCritical
Publication of JP2538271Y2publicationCriticalpatent/JP2538271Y2/ja