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 JP172783UpriorityCriticalpatent/JPS59110173U/ja
Priority to GB08333866Aprioritypatent/GB2134830B/en
Priority to US06/564,530prioritypatent/US4550236A/en
Priority to CA000444006Aprioritypatent/CA1209649A/en
Publication of JPS59110173UpublicationCriticalpatent/JPS59110173U/ja
Application grantedgrantedCritical
Publication of JPS625824Y2publicationCriticalpatent/JPS625824Y2/ja
