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发明名称
Anordnung bei einer Warmwasserumlaufheizung mit Umwälzpumpe
摘要
申请公布号
AT298733(B)
申请公布日期
1972.05.25
申请号
AT19700003802
申请日期
1970.04.27
申请人
JOH. VAILLANT K.G.
发明人
分类号
F24D19/10;(IPC1-7):F24D3/08
主分类号
F24D19/10
代理机构
代理人
主权项
地址
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