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发明名称
Brönnverktöy
摘要
申请公布号
NO311535(B1)
申请公布日期
2001.12.03
申请号
NO19960002502
申请日期
1996.06.13
申请人
BAROID TECHNOLOGY INC
发明人
JONES, DALE A.
分类号
E21B17/10;E21B47/01;(IPC1-7):E21B7/00
主分类号
E21B17/10
代理机构
代理人
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