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Priority to JP1989013914UpriorityCriticalpatent/JPH0637655Y2/ja
Priority to KR2019890012069Uprioritypatent/KR920000107Y1/ko
Publication of JPH02105350UpublicationCriticalpatent/JPH02105350U/ja
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Publication of JPH0637655Y2publicationCriticalpatent/JPH0637655Y2/ja