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 JP1795288UpriorityCriticalpatent/JPH0723560Y2/ja
Priority to DE3831285Aprioritypatent/DE3831285A1/de
Priority to US07/245,899prioritypatent/US4891875A/en
Publication of JPH01124058UpublicationCriticalpatent/JPH01124058U/ja
Application grantedgrantedCritical
Publication of JPH0723560Y2publicationCriticalpatent/JPH0723560Y2/ja