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发明名称
sistema com mais de uma coluna de produÇço em poÇo produtor de petràleo.
摘要
申请公布号
BR0002275(B1)
申请公布日期
2009.01.13
申请号
BR20000002275
申请日期
2000.07.03
申请人
发明人
ROBERTO RODRIGUES
分类号
E21B33/03;E21B34/02;E21B34/04
主分类号
E21B33/03
代理机构
代理人
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