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发明名称
APERFEICOAMENTOS EM VELAS DE FILTROS
摘要
申请公布号
BR7207051(D0)
申请公布日期
1974.08.29
申请号
BR19720007051
申请日期
1972.10.11
申请人
INDUSTRIA E COMERCIO ANTONIO NOGUEIRA SA
发明人
KOHEN H
分类号
B01D39/00;(IPC1-7):B01D39/00
主分类号
B01D39/00
代理机构
代理人
主权项
地址
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