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发明名称
Gas lift pump
摘要
申请公布号
US2129090(A)
申请公布日期
1938.09.06
申请号
US19360061393
申请日期
1936.01.29
申请人
HOOVER JAMES E
发明人
HOOVER JAMES E.
分类号
F04F1/18
主分类号
F04F1/18
代理机构
代理人
主权项
地址
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