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发明名称
Gesteinsbohrgeraet mit exzentrisch arbeitendem Bohrwerkzeug
摘要
申请公布号
DE1188014(B)
申请公布日期
1965.03.04
申请号
DE1963A043532
申请日期
1963.07.09
申请人
ATLAS COPCO AKTIEBOLAG
发明人
LAGERSTROEM GUNNAR
分类号
E21B7/20;E21B10/66
主分类号
E21B7/20
代理机构
代理人
主权项
地址
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