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Priority to JP8623890UpriorityCriticalpatent/JPH0630430Y2/ja
Priority to US07/742,624prioritypatent/US5229143A/en
Priority to EP91113777Aprioritypatent/EP0472126B1/en
Priority to DE69123305Tprioritypatent/DE69123305T2/de
Publication of JPH0445026UpublicationCriticalpatent/JPH0445026U/ja
Priority to US08/002,594prioritypatent/US5372495A/en
Application grantedgrantedCritical
Publication of JPH0630430Y2publicationCriticalpatent/JPH0630430Y2/ja