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Priority to JP492487UpriorityCriticalpatent/JPH0612598Y2/ja
Priority to GB8712116Aprioritypatent/GB2192751B/en
Priority to DE19873717974prioritypatent/DE3717974A1/de
Priority to US07/222,300prioritypatent/US4878866A/en
Publication of JPS63116956UpublicationCriticalpatent/JPS63116956U/ja
Application grantedgrantedCritical
Publication of JPH0612598Y2publicationCriticalpatent/JPH0612598Y2/ja
