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发明名称
Centrifugal pump
摘要
申请公布号
US2019679(A)
申请公布日期
1935.11.05
申请号
US19350030997
申请日期
1935.07.12
申请人
THE DURIRON COMPANY, INC.
发明人
JACOBSEN OYSTEIN
分类号
F04D29/16
主分类号
F04D29/16
代理机构
代理人
主权项
地址
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