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Priority to JP1989076971UpriorityCriticalpatent/JP2543294Y2/ja
Priority to US07/544,226prioritypatent/US5072702A/en
Priority to DE9090112301Tprioritypatent/DE69000255T2/de
Priority to EP90112301Aprioritypatent/EP0405528B1/en
Publication of JPH0317160UpublicationCriticalpatent/JPH0317160U/ja
Application grantedgrantedCritical
Publication of JP2543294Y2publicationCriticalpatent/JP2543294Y2/ja