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发明名称
Bottom hole hydraulic pump
摘要
申请公布号
US2818022(A)
申请公布日期
1957.12.31
申请号
US19560571490
申请日期
1956.03.14
申请人
PHILIPS PETROLEUM COMPANY
发明人
KANGAS CHARLES H.
分类号
F04B47/08
主分类号
F04B47/08
代理机构
代理人
主权项
地址
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