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Priority to JP611290UpriorityCriticalpatent/JPH0397448U/ja
Priority to US07/646,425prioritypatent/US5172179A/en
Priority to GB9101865Aprioritypatent/GB2240303B/en
Priority to DE4102578Aprioritypatent/DE4102578A1/de
Publication of JPH0397448UpublicationCriticalpatent/JPH0397448U/ja