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经营范围
发明名称
Processo para perfuração e cimentação de um poço
摘要
申请公布号
BR9307299(A)
申请公布日期
1999.06.01
申请号
BR19930007299
申请日期
1993.10.21
申请人
SHELL INTERNATIONALE RESEARCH MAATSCHAPPIJ B.V.
发明人
ARTHUR HERMAN HALE;KENNETH MICHAEL COWAN;JAMES JANG WOO NAHM
分类号
C04B28/08;C09K8/26;(IPC1-7):E21B33/13;C09K7/02
主分类号
C04B28/08
代理机构
代理人
主权项
地址
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