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发明名称
Delayed opening fluid sampler
摘要
申请公布号
EP0377333(B1)
申请公布日期
1997.07.23
申请号
EP19890313686
申请日期
1989.12.29
申请人
HALLIBURTON ENERGY SERVICES, INC.
发明人
ZUNKEL, GARY D.
分类号
E21B49/08;(IPC1-7):E21B49/08;G01N1/10
主分类号
E21B49/08
代理机构
代理人
主权项
地址
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