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发明名称
INSTALACION PARA EVITAR OBSTRUCCIONES EN LOS ORIFICIOS DE LAMALLA PERFORADA DE LAS CRIBAS GIRATORIAS CLASIFICADORAS (TROMELES).
摘要
申请公布号
ES450935(A1)
申请公布日期
1977.12.01
申请号
ES19350004509
申请日期
1976.08.24
申请人
EMPRESA NNAL ADARO INVESTIGACION MINERAS, S. A.
发明人
分类号
B07B;(IPC1-7):07B/
主分类号
B07B
代理机构
代理人
主权项
地址
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