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Priority to JP6780686UpriorityCriticalpatent/JPH0447541Y2/ja
Priority to KR2019860015462Uprioritypatent/KR920002269Y1/ko
Priority to US06/921,955prioritypatent/US4742210A/en
Publication of JPS62179547UpublicationCriticalpatent/JPS62179547U/ja
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Publication of JPH0447541Y2publicationCriticalpatent/JPH0447541Y2/ja