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Priority to JP1988039317UpriorityCriticalpatent/JPH076121Y2/ja
Priority to KR1019890012051Aprioritypatent/KR900005862A/ko
Publication of JPH01144361UpublicationCriticalpatent/JPH01144361U/ja
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Publication of JPH076121Y2publicationCriticalpatent/JPH076121Y2/ja