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 JP11604290UpriorityCriticalpatent/JPH0732870Y2/ja
Priority to EP91309442Aprioritypatent/EP0483994A1/en
Publication of JPH0473199UpublicationCriticalpatent/JPH0473199U/ja
Priority to US08/158,834prioritypatent/US5423367A/en
Application grantedgrantedCritical
Publication of JPH0732870Y2publicationCriticalpatent/JPH0732870Y2/ja
