EDUCATIONAL TOOL FOR OBSERVING CROSS SECTION OF SOLID FIGURE,申请号KR20090004729-传众专利搜索

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发明名称	EDUCATIONAL TOOL FOR OBSERVING CROSS SECTION OF SOLID FIGURE
摘要
申请公布号	KR101089627(B1)	申请公布日期	2011.12.06
申请号	KR20090004729	申请日期	2009.01.20
申请人		发明人
分类号	G09B1/04;G09B5/02;G09B19/10	主分类号	G09B1/04
代理机构		代理人
主权项
地址

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