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发明名称
PROCEDIMIENTO PARA TRATAR LAS ALUNITAS PARA OBTENCION DE ALUMINA.
摘要
申请公布号
ES397580(A1)
申请公布日期
1974.12.01
申请号
ES19800003975
申请日期
1971.12.01
申请人
ECHEVARRIA ARTECHE
发明人
分类号
C01F;(IPC1-7):01F/
主分类号
C01F
代理机构
代理人
主权项
地址
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