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发明名称
Articulation assembly for moving a drill mast
摘要
申请公布号
AU2009293406(B2)
申请公布日期
2012.09.13
申请号
AU20090293406
申请日期
2009.09.16
申请人
LONGYEAR TM, INC.
发明人
WREDE, STEFAN;KRUSE, CHRISTOF
分类号
E21B15/00;E21B7/02
主分类号
E21B15/00
代理机构
代理人
主权项
地址
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