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发明名称
Fan
摘要
申请公布号
US2082955(A)
申请公布日期
1937.06.08
申请号
US19360091686
申请日期
1936.07.21
申请人
B. F. STURTEVANT COMPANY
发明人
HAGEN HAROLD F.
分类号
F04D29/28
主分类号
F04D29/28
代理机构
代理人
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