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发明名称
BOHRLOCHVORBEREITUNG MIT VEREINIGTEM ZUFLUSS VON BOHRLOCHFLÜSSIGKEITEN
摘要
申请公布号
DE60325200(D1)
申请公布日期
2009.01.22
申请号
DE20036025200
申请日期
2003.04.17
申请人
VALENTI, NICHOLAS P.;VALENTI, RICHARD M.
发明人
VALENTI, NICHOLAS P.;VALENTI, RICHARD M.
分类号
E21B43/08;E21B;E21B17/00;E21B43/12
主分类号
E21B43/08
代理机构
代理人
主权项
地址
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