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经营范围
发明名称
CEPILLO ARRANCADOR PARA EXPLOTACIONES MINERAS
摘要
申请公布号
ES283682(Y)
申请公布日期
1985.12.16
申请号
ES19820002836U
申请日期
1984.12.28
申请人
TALLERES AUXILIARES DE LA INDUSTRIA MINERA S.A.
发明人
分类号
E21C27/34;(IPC1-7):E21C27/34
主分类号
E21C27/34
代理机构
代理人
主权项
地址
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