long time can to use sharp pencil eraser,申请号KR20080011178U-传众专利搜索

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发明名称	long time can to use sharp pencil eraser
摘要
申请公布号	KR20100002161(U)	申请公布日期	2010.03.03
申请号	KR20080011178U	申请日期	2008.08.20
申请人		发明人
分类号	B43K29/02;B43K21/00	主分类号	B43K29/02
代理机构		代理人
主权项
地址

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