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发明名称
SHAFT-FREE ROTOR OF MULTISTAGE CENTRIFUGAL PUMP
摘要
申请公布号
SU853185(A1)
申请公布日期
1981.08.07
申请号
SU19792851918
申请日期
1979.12.10
申请人
GROKHOVSKIJ DONAT V,SU
发明人
GROKHOVSKIJ DONAT V,SU
分类号
F04D29/22;(IPC1-7):F04D29/22
主分类号
F04D29/22
代理机构
代理人
主权项
地址
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