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发明名称
Downhole hook hanger operation (4)
摘要
申请公布号
GB0013499(D0)
申请公布日期
2000.07.26
申请号
GB20000013499
申请日期
2000.06.02
申请人
SMITH INTERNATIONAL, INC.
发明人
分类号
主分类号
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