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发明名称
Improvements in centrifugal pumps
摘要
申请公布号
GB432838(A)
申请公布日期
1935.08.02
申请号
GB19340025166
申请日期
1934.08.31
申请人
A. R. WILFLEY & SONS, INC.
发明人
分类号
F04D29/14
主分类号
F04D29/14
代理机构
代理人
主权项
地址
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