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发明名称
Method and apparatus for producing oil and gas wells
摘要
申请公布号
US3206916(A)
申请公布日期
1965.09.21
申请号
US19630323331
申请日期
1963.11.13
申请人
NATIONAL TANK COMPANY
发明人
GLASGOW CLARENCE O.;COGGINS ROBERT W.
分类号
B01D1/00;E21B43/34
主分类号
B01D1/00
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代理人
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