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发明名称
centralizador mecánico
摘要
CENTRALIZADOR MECáNICO. O objetivo do presente pedido de modelo de utilidade é fornecer um centralizador mecânico (1) em formato helicoidal, que atuará como um bombeador e agitador de líquido.
申请公布号
BRMU8802081(U2)
申请公布日期
2011.06.07
申请号
BR2008MU8802081U
申请日期
2008.09.08
申请人
HIGRA INDUSTRIAL LTDA
发明人
SILVINO GEREMIA
分类号
E21B19/24
主分类号
E21B19/24
代理机构
代理人
主权项
地址
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