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发明名称
Non-intrusive insert tool control
摘要
申请公布号
GB9903566(D0)
申请公布日期
1999.04.07
申请号
GB19990003566
申请日期
1999.02.18
申请人
BAKER HUGHES INCORPORATED
发明人
分类号
E21B34/00;E21B34/06;E21B41/00
主分类号
E21B34/00
代理机构
代理人
主权项
地址
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