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发明名称
Reduktionsgear for langsomt-roterende borehulsværktöj
摘要
申请公布号
DK1076153(T3)
申请公布日期
2005.05.30
申请号
DK20000306767T
申请日期
2000.08.09
申请人
HALLIBURTON ENERGY SERVICES, INC.
发明人
SURJAATMADJA, JIM B.;TUCKER, JAMES C.
分类号
E21B4/00;F16H1/32;(IPC1-7):E21B4/00
主分类号
E21B4/00
代理机构
代理人
主权项
地址
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