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发明名称
Sidebr°nn-tilkopling
摘要
申请公布号
NO990512(D0)
申请公布日期
1999.02.04
申请号
NO19990000512
申请日期
1999.02.04
申请人
HALLIBURTON ENERGY SERVICES INC
发明人
GANO, JOHN C.;CHATTERJI, JITEN;CROMWELL, ROGER S.;KING, BOBBY J.;ONAN, DAVID D.;ONAN, PATTY L.
分类号
E21B41/00;(IPC1-7):E21B
主分类号
E21B41/00
代理机构
代理人
主权项
地址
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