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发明名称
PIPE CONNECTION DEVICE
摘要
申请公布号
CA2076367(A1)
申请公布日期
1991.08.17
申请号
CA19912076367
申请日期
1991.02.11
申请人
SPIE HORIZONTAL DRILLING, INC.
发明人
O'DONNELL, HUGH W.;SALAH, AHMED B.
分类号
F16L1/20;(IPC1-7):E21B19/20;E21B7/04;E21B7/12;E21B7/28;E21B19/18;F16L1/26
主分类号
F16L1/20
代理机构
代理人
主权项
地址
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