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经营范围
发明名称
Umlaufwasserheizer für geschlossene Heizungsanlagen
摘要
申请公布号
AT293680(B)
申请公布日期
1971.10.25
申请号
AT19690004272
申请日期
1969.05.05
申请人
JOH. VAILLANT K.G.
发明人
分类号
F24D3/08;F24D3/10;(IPC1-7):F24D3/08
主分类号
F24D3/08
代理机构
代理人
主权项
地址
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