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发明名称
SISTEMA PRATICO PARA ECONOMIA DE AGUA
摘要
申请公布号
BR9104558(A)
申请公布日期
1993.04.27
申请号
BR1991PI04558
申请日期
1991.10.22
申请人
EDGAR RIBEIRO DA SILVA
发明人
EDGAR RIBEIRO DA SILVA
分类号
E03B7/07;E03B11/16;(IPC1-7):E03B11/16
主分类号
E03B7/07
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代理人
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