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发明名称
Cone type centrifugal pump
摘要
申请公布号
US2149921(A)
申请公布日期
1939.03.07
申请号
US19360095831
申请日期
1936.08.13
申请人
GEORGE VON SEEBECK
发明人
LEA EDWARD S.
分类号
F04D29/60
主分类号
F04D29/60
代理机构
代理人
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地址
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