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Priority to JP11272587UpriorityCriticalpatent/JPH044981Y2/ja
Priority to GB8724788Aprioritypatent/GB2197484B/en
Priority to DE19873735967prioritypatent/DE3735967A1/de
Priority to US07/111,718prioritypatent/US4870861A/en
Publication of JPS6419130UpublicationCriticalpatent/JPS6419130U/ja
Application grantedgrantedCritical
Publication of JPH044981Y2publicationCriticalpatent/JPH044981Y2/ja