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发明名称
Perforating type lockout tool
摘要
申请公布号
GB2263491(B)
申请公布日期
1995.05.17
申请号
GB19930000943
申请日期
1993.01.19
申请人
* OTIS ENGINEERING CORPORATION;* HALLIBURTON COMPANY
发明人
MICHAEL WADE * MEADERS;RENNIE LEE * DICKSON
分类号
E21B29/08;E21B34/00;E21B34/10;(IPC1-7):E21B34/10;E21B34/14
主分类号
E21B29/08
代理机构
代理人
主权项
地址
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