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发明名称
FILTRO PARA TELEFONE NEUTRALIZADOR DE BACTERIAS E GERMES NOCIVOS
摘要
申请公布号
BR9001541(A)
申请公布日期
1991.10.22
申请号
BR1990PI01541
申请日期
1990.03.22
申请人
MANOEL ROCHA
发明人
MANOEL ROCHA
分类号
H04M1/17;H04R1/12;(IPC1-7):H04M1/17
主分类号
H04M1/17
代理机构
代理人
主权项
地址
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