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发明名称
Centrifugal blower wheel structure
摘要
申请公布号
US2272695(A)
申请公布日期
1942.02.10
申请号
US19400335919
申请日期
1940.05.18
申请人
THE TORRINGTON MANUFACTURING CO.
发明人
EVANS ADDISON W.
分类号
F04D29/28
主分类号
F04D29/28
代理机构
代理人
主权项
地址
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