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经营范围
发明名称
Power and signal transmission using insulated conduit for permanent downhole installations
摘要
申请公布号
GB9812812(D0)
申请公布日期
1998.08.12
申请号
GB19980012812
申请日期
1998.06.12
申请人
SCHLUMBERGER LIMITED
发明人
分类号
E21B17/02;E21B47/12;G01V11/00
主分类号
E21B17/02
代理机构
代理人
主权项
地址
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