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发明名称
Method and apparatus for reducing pressure in a perforating gun
摘要
申请公布号
GB0506853(D0)
申请公布日期
2005.05.11
申请号
GB20050006853
申请日期
2005.04.05
申请人
SCHLUMBERGER HOLDINGS LIMITED
发明人
分类号
E21B;E21B7/00;E21B43/116;E21B43/119
主分类号
E21B
代理机构
代理人
主权项
地址
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