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 JP1988084092UpriorityCriticalpatent/JPH0610478Y2/ja
Priority to US07/215,554prioritypatent/US4937795A/en
Priority to DE3822916Aprioritypatent/DE3822916A1/de
Publication of JPH026398UpublicationCriticalpatent/JPH026398U/ja
Application grantedgrantedCritical
Publication of JPH0610478Y2publicationCriticalpatent/JPH0610478Y2/ja