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Priority to JP12076189UpriorityCriticalpatent/JPH0359516U/ja
Priority to US07/496,450prioritypatent/US5092703A/en
Priority to GB9006458Aprioritypatent/GB2230295B/en
Priority to DE4009156Aprioritypatent/DE4009156A1/de
Publication of JPH0359516UpublicationCriticalpatent/JPH0359516U/ja