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 JP4158690UpriorityCriticalpatent/JPH0611421Y2/ja
Priority to EP91303531Aprioritypatent/EP0453305A1/en
Priority to US07/689,698prioritypatent/US5116283A/en
Publication of JPH03114658UpublicationCriticalpatent/JPH03114658U/ja
Application grantedgrantedCritical
Publication of JPH0611421Y2publicationCriticalpatent/JPH0611421Y2/ja