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发明名称
BOHRGESTÄNGEELEMENT.
摘要
申请公布号
AT116405(T)
申请公布日期
1995.01.15
申请号
AT19910850264T
申请日期
1991.10.24
申请人
ATLAS COPCO CONSTRUCTION AND MINING TECHNIQUE AB
发明人
DONSE, LENNART
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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