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发明名称
SCHALK ERASER
摘要
申请公布号
KR790001488(Y1)
申请公布日期
1979.09.07
申请号
KR19780005474U
申请日期
1978.10.27
申请人
LEE KAB SOON
发明人
LEE KAB SOON
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主分类号
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