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发明名称
Pump impeller
摘要
申请公布号
US2519473(A)
申请公布日期
1950.08.22
申请号
US19460689758
申请日期
1946.08.10
申请人
THE DURIRON COMPANY, INC.
发明人
JACK DELBERT E.;WILLIAMSON JAMES M.;SCHENCK ROBERT C.
分类号
F04D29/22
主分类号
F04D29/22
代理机构
代理人
主权项
地址
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