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发明名称
SILENCIADOR LABIRINTICO DE DIRECAO OPOSTA PARA ESCAPAMENTO DE VEICULOS COM MOTOR A EXPLOSAO
摘要
申请公布号
BR6910505(D0)
申请公布日期
1973.01.11
申请号
BR19690210505
申请日期
1969.07.07
申请人
MARTON I
发明人
MARTON I
分类号
主分类号
代理机构
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