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经营范围
发明名称
Procédé de production d'alumine
摘要
申请公布号
FR1159676(A)
申请公布日期
1958.07.01
申请号
FRD1159676
申请日期
1956.08.06
申请人
UNIVERSAL OIL PRODUCTS COMPANY
发明人
分类号
C01F7/42
主分类号
C01F7/42
代理机构
代理人
主权项
地址
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