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经营范围
发明名称
Device in impact machines.
摘要
申请公布号
EP0387217(B1)
申请公布日期
1994.01.05
申请号
EP19900850041
申请日期
1990.01.31
申请人
ATLAS COPCO CONSTRUCTION AND MINING TECHNIQUE AB
发明人
RODERT, JOERGEN ALF ROBERT
分类号
E21B4/02;E21B3/00;E21B6/02;E21B7/20;E21B17/00;E21B17/10;E21B21/00;E21B21/10;(IPC1-7):E21B17/00
主分类号
E21B4/02
代理机构
代理人
主权项
地址
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