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Priority to JP1985043178UpriorityCriticalpatent/JPH0223981Y2/ja
Priority to KR2019860002649Uprioritypatent/KR890002952Y1/ko
Publication of JPS61161540UpublicationCriticalpatent/JPS61161540U/ja
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Publication of JPH0223981Y2publicationCriticalpatent/JPH0223981Y2/ja
