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发明名称
Warmwasser-Umlaufheizungsanlage
摘要
申请公布号
AT295088(B)
申请公布日期
1971.12.27
申请号
AT19690009430
申请日期
1969.10.07
申请人
JOH. VAILLANT KG.
发明人
分类号
F24D19/10;G05D23/13;G05D23/275;(IPC1-7):F24D3/08
主分类号
F24D19/10
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代理人
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