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经营范围
发明名称
dispositivo para controle de escoamento.
摘要
申请公布号
BR0007957(B1)
申请公布日期
2009.05.05
申请号
BR20000007957
申请日期
2000.02.25
申请人
发明人
CHRISTOPHE RAYSSIGUIER
分类号
E21B34/06
主分类号
E21B34/06
代理机构
代理人
主权项
地址
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