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发明名称
MULTISENSORY ARITHMETIC OPERATION TEACHING MACHINE
摘要
申请公布号
KR20110105898(A)
申请公布日期
2011.09.28
申请号
KR20100025003
申请日期
2010.03.22
申请人
PARK, JOONG HUI
发明人
PARK, JOONG HUI
分类号
G09B5/06;G09B23/02
主分类号
G09B5/06
代理机构
代理人
主权项
地址
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