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经营范围
发明名称
Well perforating assembly and perforating unit therefor
摘要
申请公布号
US3067679(A)
申请公布日期
1962.12.11
申请号
US19540461236
申请日期
1954.10.08
申请人
HALLIBURTON COMPANY
发明人
CALDWELL BLAKE M.;OWEN HARROLD D.
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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