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发明名称
BOHRKRONE
摘要
申请公布号
AT6173(U1)
申请公布日期
2003.05.26
申请号
AT20020000216U
申请日期
2002.04.08
申请人
MAI INTERNATIONAL GMBH
发明人
分类号
E21B10/52;(IPC1-7):E21B10/52
主分类号
E21B10/52
代理机构
代理人
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地址
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