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发明名称
Apparatus for elevating fluids in wells
摘要
申请公布号
US2307557(A)
申请公布日期
1943.01.05
申请号
US19400333736
申请日期
1940.05.07
申请人
WOODMANSEE HOLLIS D
发明人
WOODMANSEE HOLLIS D.
分类号
F04F1/06
主分类号
F04F1/06
代理机构
代理人
主权项
地址
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