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发明名称
PERALATAN BAWAH LUBANG UNTUK MENGONTROL ALIRAN FLUIDA DALAM SUMUR
摘要
申请公布号
ID30403(A)
申请公布日期
2001.11.29
申请号
ID20010002342
申请日期
2000.04.28
申请人
SHELL INTERNATIONALE RESEARCH MAATSCHAPPIJ, B.V.
发明人
JOHANNIS JOSEPHUS DEN BOER;ASTRID HARTWIJK;GERALD SOMMERAUER;JOHN FOREMAN STEWART
分类号
E21B33/12;E21B34/06;(IPC1-7):E21B34/06
主分类号
E21B33/12
代理机构
代理人
主权项
地址
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