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 JP1989128482UpriorityCriticalpatent/JPH0749092Y2/ja
Priority to US07/608,484prioritypatent/US5117947A/en
Publication of JPH0369328UpublicationCriticalpatent/JPH0369328U/ja
Application grantedgrantedCritical
Publication of JPH0749092Y2publicationCriticalpatent/JPH0749092Y2/ja
