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发明名称
Impeller pump
摘要
申请公布号
US2980406(A)
申请公布日期
1961.04.18
申请号
US19570684328
申请日期
1957.09.16
申请人
EMILE EGGER
发明人
EGGER EMILE
分类号
B01F7/00;F04D3/00
主分类号
B01F7/00
代理机构
代理人
主权项
地址
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