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发明名称
Bohrausleger zur winkligen Einstellung einer eine Gesteinsbohrmaschine mit Kraftvorschub tragenden Bohrlafette
摘要
申请公布号
AT286209(B)
申请公布日期
1970.11.25
申请号
AT19670010213
申请日期
1967.11.13
申请人
ATLAS COPCO AKTIEBOLAG
发明人
分类号
E21B15/04;(IPC1-7):E21C11/00
主分类号
E21B15/04
代理机构
代理人
主权项
地址
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