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经营范围
发明名称
Light experimentation device
摘要
申请公布号
KR200471017(Y1)
申请公布日期
2014.01.29
申请号
KR20130005096U
申请日期
2013.06.24
申请人
发明人
分类号
G09B23/22
主分类号
G09B23/22
代理机构
代理人
主权项
地址
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