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 JP6566290UpriorityCriticalpatent/JPH088351Y2/ja
Priority to DE4120243Aprioritypatent/DE4120243C2/de
Priority to US07/717,570prioritypatent/US5137128A/en
Publication of JPH0423831UpublicationCriticalpatent/JPH0423831U/ja
Application grantedgrantedCritical
Publication of JPH088351Y2publicationCriticalpatent/JPH088351Y2/ja