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Priority to JP1987187161UpriorityCriticalpatent/JPH0527822Y2/ja
Priority to US07/228,670prioritypatent/US4844359A/en
Publication of JPH0192090UpublicationCriticalpatent/JPH0192090U/ja
Application grantedgrantedCritical
Publication of JPH0527822Y2publicationCriticalpatent/JPH0527822Y2/ja
