A BLACKBOARD ERASER OF BOTH FACES,申请号KR20050031195U-传众专利搜索

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发明名称	A BLACKBOARD ERASER OF BOTH FACES
摘要
申请公布号	KR200412792(Y1)	申请公布日期	2006.03.31
申请号	KR20050031195U	申请日期	2005.11.03
申请人		发明人
分类号	B43L21/00;B43L21/04	主分类号	B43L21/00
代理机构		代理人
主权项
地址

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