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发明名称
PROCEDE DE PREPARATION D'UNE MATIERE FILTRANTE A GRANDE SURFACE ACTIVE SPECIFIQUE
摘要
申请公布号
BE873796(A1)
申请公布日期
1979.05.16
申请号
BE19790193147
申请日期
1979.01.30
申请人
HERMANN WEGENER K.G.
发明人
分类号
B01D39/06;C01F17/00;C03C12/00;(IPC1-7):B01D/
主分类号
B01D39/06
代理机构
代理人
主权项
地址
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