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经营范围
发明名称
AXIALSTROMSTUFENGEBLAESE
摘要
An axial flow fan assembly having two or more fans in series to provide successive fan stages in which less than the total number of fans are of the variable pitch type.
申请公布号
DE7207871(U)
申请公布日期
1972.11.23
申请号
DE19720007871U
申请日期
1972.03.01
申请人
HUDSON PROD CORP
发明人
分类号
F04D19/02;F04D19/00;F04D27/02;F04D29/36
主分类号
F04D19/02
代理机构
代理人
主权项
地址
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