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发明名称
Overshot tool
摘要
申请公布号
GB2341623(B)
申请公布日期
2000.05.03
申请号
GB19990017396
申请日期
1996.07.08
申请人
THE * RED BARON
发明人
RORY MCCRAE * TULLOCH;BRUCE * MCGARAIN
分类号
E21B4/00;E21B4/18;E21B17/02;E21B17/05;E21B23/04;E21B31/18;(IPC1-7):E21B31/18
主分类号
E21B4/00
代理机构
代理人
主权项
地址
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