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发明名称
摘要
申请公布号
JP2007521426(A)
申请公布日期
2007.08.02
申请号
JP20050512374
申请日期
2003.10.29
申请人
发明人
分类号
E21B19/14;E21B19/00
主分类号
E21B19/14
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