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发明名称
PROCEDE POUR L'OBTENTION D'AGENTS FILTRANTS DIATOMIQUES CALCINES TRES PERMEABLES EXEMPTS DE CRISTOBALITE, ET AGENTS FILTRANTS DIATOMITIQUES CALCINES TRES PERMEABLES EXEMPTS DE CRISTOBALITE.
摘要
申请公布号
FR2663564(B1)
申请公布日期
1992.10.02
申请号
FR19900007690
申请日期
1990.06.20
申请人
CECA SA
发明人
DUFOUR PASCAL
分类号
B01D39/00;B01D39/06;B01J20/14;B01J20/30;(IPC1-7):B01J20/14;F27B15/00
主分类号
B01D39/00
代理机构
代理人
主权项
地址
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