earser on finger for water blackboard,申请号KR20120000138U-传众专利搜索

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发明名称	earser on finger for water blackboard
摘要
申请公布号	KR20130004382(U)	申请公布日期	2013.07.16
申请号	KR20120000138U	申请日期	2012.01.06
申请人		发明人
分类号	B43L19/00;B43L21/00	主分类号	B43L19/00
代理机构		代理人
主权项
地址

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