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Priority to JP1988123282UpriorityCriticalpatent/JPH033310Y2/ja
Priority to US07/376,092prioritypatent/US5005496A/en
Priority to EP19890401958prioritypatent/EP0350406A3/en
Publication of JPH0242622UpublicationCriticalpatent/JPH0242622U/ja
Application grantedgrantedCritical
Publication of JPH033310Y2publicationCriticalpatent/JPH033310Y2/ja