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Priority to JP1989010974UpriorityCriticalpatent/JP2519534Y2/ja
Priority to KR1019900011552Aprioritypatent/KR950014528B1/ko
Publication of JPH02109147UpublicationCriticalpatent/JPH02109147U/ja
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Publication of JP2519534Y2publicationCriticalpatent/JP2519534Y2/ja
