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 JP1990044443UpriorityCriticalpatent/JP2553037Y2/ja
Publication of JPH046552UpublicationCriticalpatent/JPH046552U/ja
Application grantedgrantedCritical
Publication of JP2553037Y2publicationCriticalpatent/JP2553037Y2/ja