INSTRUMENT FOR LEARNING A THERMAL EXPANSION USING BIMETAL,申请号KR20070004995U-传众专利搜索

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发明名称	INSTRUMENT FOR LEARNING A THERMAL EXPANSION USING BIMETAL
摘要
申请公布号	KR200439990(Y1)	申请公布日期	2008.05.19
申请号	KR20070004995U	申请日期	2007.03.27
申请人		发明人
分类号	G09B23/16	主分类号	G09B23/16
代理机构		代理人
主权项
地址

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