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发明名称
BOHRLOCHVORRICHTUNG UND -VERFAHREN
摘要
申请公布号
DE602008004739(D1)
申请公布日期
2011.03.10
申请号
DE200860004739T
申请日期
2008.02.07
申请人
SWELLTEC LTD.
发明人
NUTLEY, KIM;NUTLEY, BRIAN
分类号
E21B33/12
主分类号
E21B33/12
代理机构
代理人
主权项
地址
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