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经营范围
发明名称
Borestrengkomponent
摘要
申请公布号
NO179530(B)
申请公布日期
1996.07.15
申请号
NO19910005123
申请日期
1991.12.27
申请人
RED BARON (OIL TOOLS RENTAL) LTD, THE
发明人
STEINKAMP, MANFRED;LAU, WERNER;MCGARIAN, BRUCE
分类号
E21B7/04;E21B17/10;(IPC1-7):E21B17/10
主分类号
E21B7/04
代理机构
代理人
主权项
地址
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