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Priority to JP1987198039UpriorityCriticalpatent/JPH0523011Y2/ja
Priority to US07/289,310prioritypatent/US5130847A/en
Publication of JPH01103963UpublicationCriticalpatent/JPH01103963U/ja
Application grantedgrantedCritical
Publication of JPH0523011Y2publicationCriticalpatent/JPH0523011Y2/ja
