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发明名称
Encuadernación perfeccionada para libros de hojas cambiables
摘要
申请公布号
ES43725(Y)
申请公布日期
1957.03.16
申请号
ES19250000437U
申请日期
1954.08.31
申请人
INDUSTRIAS DE PAPEL Y METAL, S. A.
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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