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发明名称
Rock drilling device
摘要
申请公布号
AU657401(B2)
申请公布日期
1995.03.09
申请号
AU19930036804
申请日期
1993.04.08
申请人
ATLAS COPCO ROCKTECH AB
发明人
JORGEN RODERT;KURT ANDERSSON
分类号
B25D9/04;B25D9/00;E21B1/00;E21B1/02;E21B6/02;E21B31/113;(IPC1-7):E21B1/04
主分类号
B25D9/04
代理机构
代理人
主权项
地址
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