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Priority to JP5552189UpriorityCriticalpatent/JPH02147487U/ja
Priority to DE4015635Aprioritypatent/DE4015635C2/de
Priority to IT47959Aprioritypatent/IT1239615B/it
Priority to US07/523,664prioritypatent/US5059087A/en
Publication of JPH02147487UpublicationCriticalpatent/JPH02147487U/ja
