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发明名称
Electric fan
摘要
申请公布号
US2690296(A)
申请公布日期
1954.09.28
申请号
US19500198822
申请日期
1950.12.02
申请人
THE SILEX COMPANY
发明人
RODWICK FRANK P.
分类号
F04D29/70
主分类号
F04D29/70
代理机构
代理人
主权项
地址
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