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发明名称
Improvements in centrifugal pumps
摘要
申请公布号
GB685455(A)
申请公布日期
1953.01.07
申请号
GB19490023448
申请日期
1949.09.10
申请人
DUDLEY RUSSELL DOWLING
发明人
分类号
F04D29/04
主分类号
F04D29/04
代理机构
代理人
主权项
地址
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