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Priority to JP1985060621UpriorityCriticalpatent/JPH0144543Y2/ja
Priority to KR2019860002695Uprioritypatent/KR910006593Y1/ko
Publication of JPS61176180UpublicationCriticalpatent/JPS61176180U/ja
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Publication of JPH0144543Y2publicationCriticalpatent/JPH0144543Y2/ja
