A ventilation system for structure of using a heat of the earth,申请号KR20070003195U-传众专利搜索

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发明名称	A ventilation system for structure of using a heat of the earth
摘要
申请公布号	KR200439688(Y1)	申请公布日期	2008.04.28
申请号	KR20070003195U	申请日期	2007.02.23
申请人		发明人
分类号	F25B27/00;F24F5/00;F25B30/06	主分类号	F25B27/00
代理机构		代理人
主权项
地址

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