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经营范围
发明名称
Submersible pump
摘要
申请公布号
US2217746(A)
申请公布日期
1940.10.15
申请号
US19380220932
申请日期
1938.07.23
申请人
RECONSTRUCTION FINANCE CORPORATION
发明人
JR. JOHN B. HAWLEY,
分类号
F04D13/08
主分类号
F04D13/08
代理机构
代理人
主权项
地址
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