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经营范围
发明名称
Web cutter
摘要
申请公布号
GB0217376(D0)
申请公布日期
2002.09.04
申请号
GB20020017376
申请日期
2001.06.18
申请人
BAKER HUGHES INCORPORATED
发明人
分类号
E21B10/56;E21B10/567;E21B10/573
主分类号
E21B10/56
代理机构
代理人
主权项
地址
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