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经营范围
发明名称
Procédé d'épuration de l'alumine.
摘要
申请公布号
CH275867(A)
申请公布日期
1951.06.15
申请号
CHD275867
申请日期
1947.12.30
申请人
SEAILLES,JEAN-CHARLES
发明人
SEAILLES,JEAN-CHARLES
分类号
C01F7/46
主分类号
C01F7/46
代理机构
代理人
主权项
地址
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