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经营范围
发明名称
Bohrgestängeelement.
摘要
申请公布号
DE69106325(D1)
申请公布日期
1995.02.09
申请号
DE19916006325
申请日期
1991.10.24
申请人
ATLAS COPCO CONSTRUCTION AND MINING TECHNIQUE AB, STOCKHOLM, SE
发明人
DONSE, LENNART, S-139 00 VAERMDOE, SE
分类号
E21C47/08;E21B7/20;E21B17/00;E21B21/00;E21B21/10;E21B34/12;(IPC1-7):E21B34/12
主分类号
E21C47/08
代理机构
代理人
主权项
地址
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