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Priority to JP8636989UpriorityCriticalpatent/JPH0325466U/ja
Priority to US07/486,437prioritypatent/US5088653A/en
Priority to IT47714Aprioritypatent/IT1240786B/it
Priority to DE4006876Aprioritypatent/DE4006876A1/de
Publication of JPH0325466UpublicationCriticalpatent/JPH0325466U/ja
