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经营范围
发明名称
SYSTEM ZUR BOHRLOCHKOMPLETTIERUNG.
摘要
申请公布号
DE558534(T1)
申请公布日期
1994.03.03
申请号
DE19910919844T
申请日期
1991.11.15
申请人
FRAMO DEVELOPMENTS (U.K.) LTD., LONDON, GB
发明人
MOHN, FRANK, LONDON SW20 0AY, GB
分类号
E21B17/00;E21B17/18;E21B34/10;E21B36/00;E21B41/02;E21B43/12;E21B43/14;E21B47/00;E21B49/08;(IPC1-7):E21B43/14;E21B17/10
主分类号
E21B17/00
代理机构
代理人
主权项
地址
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