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经营范围
发明名称
Production of alumina
摘要
申请公布号
GB9800855(D0)
申请公布日期
1998.03.11
申请号
GB19980000855
申请日期
1998.01.15
申请人
ALLIED COLLOIDS LIMITED
发明人
分类号
C01F7/14
主分类号
C01F7/14
代理机构
代理人
主权项
地址
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