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发明名称
ANORDNING FOER SAETTNING AV BERGBULT.
摘要
申请公布号
FI913319(A)
申请公布日期
1992.01.11
申请号
FI19910003319
申请日期
1991.07.09
申请人
ATLAS COPCO CONSTRUCTION AND MINING TECHNIQUE AB
发明人
BJERNGREN, JAN;ERIKSSON, SVEN;PERSSON, LARS
分类号
E21D20/00;(IPC1-7):E21D/
主分类号
E21D20/00
代理机构
代理人
主权项
地址
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