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发明名称
CAIXA FILTRO DE AR CONTRA POLUICAO AMBIENTAL
摘要
申请公布号
BR7803598(A)
申请公布日期
1980.12.30
申请号
BR19780003598
申请日期
1978.05.31
申请人
RIBEIRO L
发明人
RIBEIRO L
分类号
B01D46/10;(IPC1-7):B01D46/10
主分类号
B01D46/10
代理机构
代理人
主权项
地址
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