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发明名称
Hydraulic pumping unit
摘要
申请公布号
US3175513(A)
申请公布日期
1965.03.30
申请号
US19640335588
申请日期
1964.01.03
申请人
DULANEY RICHARD O
发明人
DULANEY RICHARD O.
分类号
F04B47/04
主分类号
F04B47/04
代理机构
代理人
主权项
地址
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