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发明名称
SISTEMA PARA LA DEPURACION DE AGUA NATURAL, ESPECIALMENTE AGUA RESIDUAL.
摘要
申请公布号
GT199600043(A)
申请公布日期
1997.12.13
申请号
GT19960000043
申请日期
1996.06.21
申请人
发明人
分类号
B27K3/50;E21B43/12;E21B43/25;E21B43/34;(IPC1-7):E21B43/25
主分类号
B27K3/50
代理机构
代理人
主权项
地址
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