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发明名称
Water heater with heat exchanger enclosing a combustion chamber has gas fan-burner, two separate ducts for heating and service water, and insert
摘要
申请公布号
AT411795(B)
申请公布日期
2004.05.25
申请号
AT19990000221
申请日期
1999.02.16
申请人
VAILLANT GESELLSCHAFT M.B.H.
发明人
分类号
F24H1/43;F24H1/48;F28D7/02;(IPC1-7):F24H1/16;F23M9/06
主分类号
F24H1/43
代理机构
代理人
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地址
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