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发明名称
Drill head steering
摘要
申请公布号
AU2003271429(B2)
申请公布日期
2009.12.17
申请号
AU20030271429
申请日期
2003.10.20
申请人
CMTE DEVELOPMENT LIMITED
发明人
SCOTT CHRISTOPHER ADAM;TIMOTHY GREGORY HAMILTON MEYER
分类号
E21B7/04;E21B7/06;E21B7/18;E21B15/04;E21B21/02;E21F7/00
主分类号
E21B7/04
代理机构
代理人
主权项
地址
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