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发明名称
Aperfeiçoamento em filtro elétrico
摘要
申请公布号
BR9705841(A)
申请公布日期
1999.06.29
申请号
BR1997PI05841
申请日期
1997.11.06
申请人
DOS SANTOS JOSE ROBERTO
发明人
SANTOS JOSE ROBERTO DOS
分类号
H02H1/04;H02J3/01;(IPC1-7):H02J3/01
主分类号
H02H1/04
代理机构
代理人
主权项
地址
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