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经营范围
发明名称
Process for the reduction of the relative permeability to water of an oil bearing formation
摘要
申请公布号
GB2355741(A8)
申请公布日期
2006.05.03
申请号
GB20000023342
申请日期
2000.09.22
申请人
PETROLEO BRASILEIRO S.A. - PETROBAS PETROLEO BRASILEIRO S.A. - PETROBAS
发明人
SERGIO LUIZ PEREIRA DE COELHO;CARLOS ROBERTO CAR DE HOLLEBEN;GERALDO MARIA RAMOS DE GODOY;LUIZ CESAR FERREIRA BARBOSA
分类号
C09K8/50;C09K8/512;E21B33/138;(IPC1-7):E21B33/138
主分类号
C09K8/50
代理机构
代理人
主权项
地址
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