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 JP1987165026UpriorityCriticalpatent/JPH0626968Y2/ja
Priority to US07/227,336prioritypatent/US5027339A/en
Publication of JPH0171311UpublicationCriticalpatent/JPH0171311U/ja
Application grantedgrantedCritical
Publication of JPH0626968Y2publicationCriticalpatent/JPH0626968Y2/ja