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发明名称
SAMPLING SYSTEMS
摘要
申请公布号
GB9125904(D0)
申请公布日期
1992.02.05
申请号
GB19910025904
申请日期
1991.12.05
申请人
EXAL SAMPLING SERVICES LIMITED;LEUTERT (NORTH SEA) LIMITED
发明人
分类号
E21B49/08;G01N1/12
主分类号
E21B49/08
代理机构
代理人
主权项
地址
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