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 JP3955787UpriorityCriticalpatent/JPH051656Y2/ja
Priority to US07/169,330prioritypatent/US4855609A/en
Priority to GB8806447Aprioritypatent/GB2202280B/en
Priority to CA000561816Aprioritypatent/CA1325751C/en
Publication of JPS63147562UpublicationCriticalpatent/JPS63147562U/ja
Application grantedgrantedCritical
Publication of JPH051656Y2publicationCriticalpatent/JPH051656Y2/ja