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经营范围
发明名称
UN PROCEDIMIENTO PARA LA PRODUCCION DE ALUMINA.
摘要
申请公布号
ES451306(A1)
申请公布日期
1977.10.01
申请号
ES19060004513
申请日期
1976.09.07
申请人
ALCAN RESEARCH AND DEVELOPMENT LIMITED
发明人
分类号
C01F7/14;(IPC1-7):01F/
主分类号
C01F7/14
代理机构
代理人
主权项
地址
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