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Priority to JP1985162269UpriorityCriticalpatent/JPH0347276Y2/ja
Priority to KR2019860015462Uprioritypatent/KR920002269Y1/ko
Priority to US06/921,955prioritypatent/US4742210A/en
Publication of JPS6270389UpublicationCriticalpatent/JPS6270389U/ja
Application grantedgrantedCritical
Publication of JPH0347276Y2publicationCriticalpatent/JPH0347276Y2/ja
