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发明名称
Centrifugal pump and shaft sealing means
摘要
申请公布号
US2951448(A)
申请公布日期
1960.09.06
申请号
US19450628321
申请日期
1945.11.13
申请人
RUSHING FRANK C
发明人
RUSHING FRANK C.
分类号
F04D29/12
主分类号
F04D29/12
代理机构
代理人
主权项
地址
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