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发明名称
Vorrichtung zur Regelung der Durchflussgeschwindigkeit des Wassers in Wasserroehrenkesseln, vornehmlich fuer Warmwasserheizungen
摘要
申请公布号
DE729988(C)
申请公布日期
1943.01.06
申请号
DE1940W107102D
申请日期
1940.04.12
申请人
C.H. WECK, KOMM.-GES.
发明人
分类号
F24H1/40
主分类号
F24H1/40
代理机构
代理人
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