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发明名称
FREMGANGSMAATE OG ANORDNING FOR BROENNPERFORERING.
摘要
申请公布号
NO885383(D0)
申请公布日期
1988.12.02
申请号
NO19880005383
申请日期
1988.12.02
申请人
HALLIBURTON COMPANY
发明人
GEORGE, FLINT R.;GEORGE, KEVIN R.;WESSON, DAVID S.
分类号
E21B43/116;E21B43/1185;(IPC1-7):E21B/
主分类号
E21B43/116
代理机构
代理人
主权项
地址
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