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发明名称
(U1 Y) ;SEPARADOR PERFECCIONADO DE HOJAS DE UN CUADERNO O BLOCK CON ESPIRAL
摘要
申请公布号
ES1050014(U1)
申请公布日期
2002.02.16
申请号
ES20010002203
申请日期
2001.09.03
申请人
发明人
分类号
主分类号
代理机构
代理人
主权项
地址
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