Books and Notebooks with Markers for Study Achievement and a Sliding Screen to Cover Answers,申请号KR20060017996U-传众专利搜索

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发明名称	Books and Notebooks with Markers for Study Achievement and a Sliding Screen to Cover Answers
摘要
申请公布号	KR200426880(Y1)	申请公布日期	2006.09.20
申请号	KR20060017996U	申请日期	2006.07.04
申请人		发明人
分类号	B42D1/00;B42D15/00	主分类号	B42D1/00
代理机构		代理人
主权项
地址

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