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发明名称
Downhole well working
摘要
申请公布号
GB9608811(D0)
申请公布日期
1996.07.03
申请号
GB19960008811
申请日期
1996.04.30
申请人
PRESSURE CONTROL ENGINEERING 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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