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发明名称
Innföringsverktöy for en brönn
摘要
申请公布号
NO965055(A)
申请公布日期
1997.01.27
申请号
NO19960005055
申请日期
1996.11.27
申请人
MACKINTOSH, KENNETH
发明人
MACKINTOSH, KENNETH
分类号
E21B3/02;E21B17/02;E21B21/02;E21B33/072;(IPC1-7):E21B33/072
主分类号
E21B3/02
代理机构
代理人
主权项
地址
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