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发明名称
ON-LINE, THERMO-CHEMICAL PROCESS FOR THE DEWAXING OF OIL EXPORT PIPELINES
摘要
申请公布号
EP0956427(A1)
申请公布日期
1999.11.17
申请号
EP19970941752
申请日期
1997.10.01
申请人
PETROLEO BRASILEIRO S.A. - PETROBAS
发明人
KHALIL, CARLOS, NAGIB;FERREIRA LEITE, LUCIA, CRISTINA;DE OLIVEIRA ROCHA, NELSON
分类号
E21B37/06;B08B9/02;C09K8/524;(IPC1-7):E21B37/06
主分类号
E21B37/06
代理机构
代理人
主权项
地址
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