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Priority to JP1987074823UpriorityCriticalpatent/JPH0430222Y2/ja
Priority to KR1019870008571Aprioritypatent/KR900006196B1/ko
Publication of JPS63183183UpublicationCriticalpatent/JPS63183183U/ja
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Publication of JPH0430222Y2publicationCriticalpatent/JPH0430222Y2/ja