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Priority to JP1989078327UpriorityCriticalpatent/JP2517345Y2/ja
Priority to EP19900103960prioritypatent/EP0386617B1/en
Priority to DE1990615386prioritypatent/DE69015386T2/de
Publication of JPH0317411UpublicationCriticalpatent/JPH0317411U/ja
Priority to US07/851,118prioritypatent/US5197841A/en
Application grantedgrantedCritical
Publication of JP2517345Y2publicationCriticalpatent/JP2517345Y2/ja