Sewage pipe and Heat exchanger used in the same,申请号KR20090017621-传众专利搜索

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发明名称	Sewage pipe and Heat exchanger used in the same
摘要
申请公布号	KR101027798(B1)	申请公布日期	2011.04.07
申请号	KR20090017621	申请日期	2009.03.02
申请人		发明人
分类号	F28D7/00;E03F7/00;F28D7/10	主分类号	F28D7/00
代理机构		代理人
主权项
地址

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