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Priority to JP1988065855UpriorityCriticalpatent/JP2501856Y2/ja
Priority to KR1019890005773Aprioritypatent/KR930002019B1/ko
Publication of JPH01169339UpublicationCriticalpatent/JPH01169339U/ja
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Publication of JP2501856Y2publicationCriticalpatent/JP2501856Y2/ja
