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Priority to JP1989050325UpriorityCriticalpatent/JPH0614609Y2/ja
Priority to US07/514,000prioritypatent/US5082326A/en
Priority to DE4013679Aprioritypatent/DE4013679A1/de
Publication of JPH02141239UpublicationCriticalpatent/JPH02141239U/ja
Application grantedgrantedCritical
Publication of JPH0614609Y2publicationCriticalpatent/JPH0614609Y2/ja