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发明名称
(U1 Y2) ;PERFECCIONAMIENTOS EN CARPETAS QUE INCORPORAN EN SU LOMO INTERNO EL SISTEMA DE ENCUADERNACION DE CANUTILLO
摘要
申请公布号
ES1015339(U1)
申请公布日期
1991.07.01
申请号
ES19900002927
申请日期
1990.10.10
申请人
发明人
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主分类号
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