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Priority to JP1988001578UpriorityCriticalpatent/JPH0429236Y2/ja
Priority to KR1019890000063Aprioritypatent/KR910005882B1/ko
Publication of JPH01106747UpublicationCriticalpatent/JPH01106747U/ja
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Publication of JPH0429236Y2publicationCriticalpatent/JPH0429236Y2/ja