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发明名称
LOCATING WELL EQUIPMENT
摘要
申请公布号
AU516706(B2)
申请公布日期
1981.06.18
申请号
AU19780034677
申请日期
1978.04.03
申请人
OTIS ENGINEERING CORPORATION
发明人
O.R. LONG
分类号
E21B23/02;E21B23/10;(IPC1-7):E21B23/02
主分类号
E21B23/02
代理机构
代理人
主权项
地址
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