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经营范围
发明名称
Procédé de production d'une alumine à réaction aisée
摘要
申请公布号
FR790806(A)
申请公布日期
1935.11.28
申请号
FRD790806
申请日期
1935.06.01
申请人
TH. GOLDSCHMIDT A. G.
发明人
分类号
C01F7/28
主分类号
C01F7/28
代理机构
代理人
主权项
地址
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