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 JP12042983UpriorityCriticalpatent/JPS6028737U/ja
Priority to US06/632,709prioritypatent/US4589659A/en
Priority to CA000459422Aprioritypatent/CA1234981A/en
Priority to DE19843428064prioritypatent/DE3428064A1/de
Priority to GB08419424Aprioritypatent/GB2144569B/en
Publication of JPS6028737UpublicationCriticalpatent/JPS6028737U/ja
Application grantedgrantedCritical
Publication of JPH0317294Y2publicationCriticalpatent/JPH0317294Y2/ja