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发明名称
SLANT HOLE WELL DRILLING APPARATUS
摘要
申请公布号
GB1201882(A)
申请公布日期
1970.08.12
申请号
GB19690008902
申请日期
1969.02.19
申请人
LEE C. MOORE CORPORATION
发明人
分类号
E21B7/04;E21B15/04;E21B19/14
主分类号
E21B7/04
代理机构
代理人
主权项
地址
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