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Priority to JP14042989UpriorityCriticalpatent/JPH082834Y2/ja
Priority to KR90015962Uprioritypatent/KR0110305Y1/ko
Publication of JPH0380545UpublicationCriticalpatent/JPH0380545U/ja
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Publication of JPH082834Y2publicationCriticalpatent/JPH082834Y2/ja