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 JP18438587UpriorityCriticalpatent/JPH0318766Y2/ja
Priority to US07/277,319prioritypatent/US4881926A/en
Priority to EP88120170Aprioritypatent/EP0319035A1/en
Publication of JPH0189655UpublicationCriticalpatent/JPH0189655U/ja
Application grantedgrantedCritical
Publication of JPH0318766Y2publicationCriticalpatent/JPH0318766Y2/ja
