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发明名称
Improvements in impellers for centrifugal pumps
摘要
申请公布号
GB687514(A)
申请公布日期
1953.02.18
申请号
GB19500020261
申请日期
1950.08.15
申请人
FAIRBANKS, MORSE & CO.
发明人
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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