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发明名称
Well pumping process and apparatus therefor
摘要
申请公布号
US3273504(A)
申请公布日期
1966.09.20
申请号
US19650474573
申请日期
1965.07.26
申请人
RAY LYLES CECIL
发明人
LYLES CECIL RAY
分类号
F04B47/12
主分类号
F04B47/12
代理机构
代理人
主权项
地址
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