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发明名称
ANKERBOHRGERAET.
摘要
申请公布号
AT79153(T)
申请公布日期
1992.08.15
申请号
AT19890109963T
申请日期
1989.06.01
申请人
BAUER SPEZIALTIEFBAU GMBH
发明人
HABERER, JOHANN
分类号
E21B7/02;E21B19/14;E21D20/00;(IPC1-7):E21B7/02
主分类号
E21B7/02
代理机构
代理人
主权项
地址
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