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发明名称
Deep well pump
摘要
申请公布号
US2164975(A)
申请公布日期
1939.07.04
申请号
US19370141967
申请日期
1937.05.11
申请人
WHITCOMB WINFRED S
发明人
WHITCOMB WINFRED S.
分类号
F04D3/00;F04D13/04
主分类号
F04D3/00
代理机构
代理人
主权项
地址
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