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经营范围
发明名称
VERFAHREN UND SYSTEM ZUM BOHRLOCHBEGINN
摘要
申请公布号
DE602005003371(D1)
申请公布日期
2007.12.27
申请号
DE200560003371T
申请日期
2005.05.31
申请人
ATLAS COPCO ROCK DRILLS AB
发明人
JONSSON, PER
分类号
E21B44/00;E21B;E21B44/06;E21B44/08
主分类号
E21B44/00
代理机构
代理人
主权项
地址
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