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发明名称
Procédé pour le traitement de matières argileuses, particulièrement de kaolins, d'argiles ou analogues, pour l'obtention d'alumine et de ses composés
摘要
申请公布号
FR720521(A)
申请公布日期
1932.02.20
申请号
FRD720521
申请日期
1931.07.23
申请人
ALTERRA S. A.
发明人
分类号
C01F7/28
主分类号
C01F7/28
代理机构
代理人
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