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经营范围
发明名称
Alumine amorphe exceptionnellement réactive
摘要
申请公布号
FR65166(E)
申请公布日期
1956.01.27
申请号
FRD65166
申请日期
1954.01.27
申请人
PECHINEY
发明人
分类号
C01F7/44
主分类号
C01F7/44
代理机构
代理人
主权项
地址
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