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发明名称
Downhole multiplexer and related methods
摘要
申请公布号
GB0223575(D0)
申请公布日期
2002.11.20
申请号
GB20020023575
申请日期
1999.07.09
申请人
CAMCO INTERNATIONAL INC.
发明人
分类号
E21B23/00;E21B34/06;E21B34/10;E21B34/16;E21B41/02;E21B44/00
主分类号
E21B23/00
代理机构
代理人
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