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经营范围
发明名称
Procédé de préparation de solutions concentrées de sels d'aluminium à partir d'argile ou de minéraux alumineux
摘要
申请公布号
FR899293(A)
申请公布日期
1945.05.25
申请号
FRD899293
申请日期
1943.10.29
申请人
I. G. FARBENINDUSTRIE AKTIENGESELLSCHAFT
发明人
分类号
C01F7/74
主分类号
C01F7/74
代理机构
代理人
主权项
地址
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