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Priority to JP2297588UpriorityCriticalpatent/JPH052585Y2/ja
Publication of JPH01129239UpublicationCriticalpatent/JPH01129239U/ja
Application grantedgrantedCritical
Publication of JPH052585Y2publicationCriticalpatent/JPH052585Y2/ja
Priority to US08/155,158prioritypatent/US5365661A/en
