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发明名称
VENTILATION FAN
摘要
Fans and methods of making and using the fans are disclosed. The fans can include a propeller positioned with in a housing, an air straightener, and a housing which is narrower at the outlet than at the propeller.
申请公布号
US2010075588(A1)
申请公布日期
2010.03.25
申请号
US20090545025
申请日期
2009.08.20
申请人
HANELINE RONALD W
发明人
HANELINE RONALD W.
分类号
B60H3/00;B23P15/00;F04D29/52
主分类号
B60H3/00
代理机构
代理人
主权项
地址
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