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发明名称
Impeller
摘要
申请公布号
US2354653(A)
申请公布日期
1944.08.01
申请号
US19400339911
申请日期
1940.06.11
申请人
GENERAL ELECTRIC COMPANY
发明人
ALLEN WAYNE H.
分类号
B23D57/00;B28D1/30;F04D29/28
主分类号
B23D57/00
代理机构
代理人
主权项
地址
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