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Priority to JP1987013705UpriorityCriticalpatent/JPH0434702Y2/ja
Priority to KR878705762Uprioritypatent/KR890008650Y1/ko
Publication of JPS63122091UpublicationCriticalpatent/JPS63122091U/ja
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Publication of JPH0434702Y2publicationCriticalpatent/JPH0434702Y2/ja
