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发明名称
Blower fan
摘要
申请公布号
US2208890(A)
申请公布日期
1940.07.23
申请号
US19390256219
申请日期
1939.02.13
申请人
BOWERS JAMES I
发明人
BOWERS JAMES I.
分类号
F04D29/50
主分类号
F04D29/50
代理机构
代理人
主权项
地址
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