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 JP1990069039UpriorityCriticalpatent/JPH0721980Y2/ja
Publication of JPH0427280UpublicationCriticalpatent/JPH0427280U/ja
Application grantedgrantedCritical
Publication of JPH0721980Y2publicationCriticalpatent/JPH0721980Y2/ja