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经营范围
发明名称
ROCK WORKING TOOL
摘要
申请公布号
AU622547(B2)
申请公布日期
1992.04.09
申请号
AU19900054793
申请日期
1990.05.08
申请人
ATLAS COPCO CONSTRUCTION AND MINING TECHNIQUE AB
发明人
CARL SVERKER MAGNUSSON HARTWIG;OVE VILHELM ERIK NILSSON
分类号
E21B10/10;E21B10/12;E21B10/18;E21B10/22;G01B11/02;(IPC1-7):E21D9/10
主分类号
E21B10/10
代理机构
代理人
主权项
地址
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