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发明名称
a fuel supply pipe of a heat exchanger for a condensing gas boiler
摘要
申请公布号
KR100575185(B1)
申请公布日期
2006.05.03
申请号
KR20040050372
申请日期
2004.06.30
申请人
发明人
分类号
F24H8/00;F24H9/00
主分类号
F24H8/00
代理机构
代理人
主权项
地址
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