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发明名称
Means for securing a pump impeller to a shaft
摘要
申请公布号
US2798438(A)
申请公布日期
1957.07.09
申请号
US19530354259
申请日期
1953.05.11
申请人
MACK TRUCKS, INC.
发明人
GREATHOUSE JACK F.
分类号
F04D29/04;F04D29/12;F04D29/20;F16D1/08
主分类号
F04D29/04
代理机构
代理人
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地址
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