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经营范围
发明名称
Stabilisator für Bohrlochmotor
摘要
申请公布号
DE69304560(T2)
申请公布日期
1997.04.17
申请号
DE19936004560
申请日期
1993.01.18
申请人
NEYRFOR-WEIR LTD., STIRLINGSHIRE, SCHOTTLAND/SCOTLAND, GB
发明人
DOWNIE, ANDREW MCPHERSON, DUNFERMLINE, FIFE, KY12 0DE, GB;POWELL, ROY, BANCHORY, KINCARDINESHIRE, AB3 3TY, GB
分类号
E21B7/06;E21B17/10;(IPC1-7):E21B7/06
主分类号
E21B7/06
代理机构
代理人
主权项
地址
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