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经营范围
发明名称
SAFETY INTERLOCK FOR CONTROL LINES
摘要
申请公布号
CA2631573(A1)
申请公布日期
2007.07.12
申请号
CA20062631573
申请日期
2006.11.30
申请人
WEATHERFORD/LAMB, INC.
发明人
VOLD, GISLE;VESTERSJO, SVEIN EGIL;BAUSTAD, TERJE;HAUGEN, DAVID M.;STOKKELAND, KAJ;ABRAHAMSEN, EGILL
分类号
E21B19/10
主分类号
E21B19/10
代理机构
代理人
主权项
地址
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