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发明名称
Well perforating assembly
摘要
申请公布号
US3194159(A)
申请公布日期
1965.07.13
申请号
US19620238889
申请日期
1962.11.20
申请人
JET RESEARCH CENTER, INC.
发明人
GILLINGHAM ERNEST L.;GRUNWALD JACK O.
分类号
E21B43/118
主分类号
E21B43/118
代理机构
代理人
主权项
地址
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