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发明名称
Apparatus for catching debris in a well-bore
摘要
申请公布号
GB9806274(D0)
申请公布日期
1998.05.20
申请号
GB19980006274
申请日期
1998.03.25
申请人
SPECIALISED PETROLEUM SERVICES LIMITED
发明人
分类号
主分类号
代理机构
代理人
主权项
地址
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