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发明名称
FILTRO EN CASCADA PARA PURIFICAR EL AIRE
摘要
申请公布号
ES257232(Y)
申请公布日期
1982.01.01
申请号
ES19320002572U
申请日期
1981.03.30
申请人
发明人
分类号
B01D47/02;(IPC1-7):01D47/02
主分类号
B01D47/02
代理机构
代理人
主权项
地址
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