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经营范围
发明名称
RADIALVENTILATOR
摘要
To reduce noise the leading and/or trailing edges 10, 11 of the fan blades 2 are serrated. The blades extend between front and back plates 5,4 defining a central region 9 to which air is directed by a stationary guide 6. <IMAGE>
申请公布号
DE3137554(A1)
申请公布日期
1983.03.31
申请号
DE19813137554
申请日期
1981.09.22
申请人
WILHELM GEBHARDT GMBH
发明人
WIELAND,HEINZ,ING.
分类号
F04D29/30
主分类号
F04D29/30
代理机构
代理人
主权项
地址
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