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发明名称
Drill string component
摘要
申请公布号
SG29695(G)
申请公布日期
1995.08.18
申请号
SG19950000296
申请日期
1995.02.20
申请人
THE RED BARON (OIL TOOLS RENTAL) LIMITED.
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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