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 JP12427383UpriorityCriticalpatent/JPS6031223U/ja
Priority to US06/530,010prioritypatent/US4527380A/en
Priority to GB08324002Aprioritypatent/GB2140663B/en
Publication of JPS6031223UpublicationCriticalpatent/JPS6031223U/ja
Application grantedgrantedCritical
Publication of JPH026741Y2publicationCriticalpatent/JPH026741Y2/ja