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发明名称
UN NUEVO PROCEDIMIENTO DE CONSTRUCCION DE TAPAS PARA ENCUADERNAR LIBROS DE HOJAS CAMBIABLES
摘要
申请公布号
ES124467(A3)
申请公布日期
1931.11.16
申请号
ES19670001244
申请日期
1931.10.15
申请人
CODINACH SANYERAS, PEDRO
发明人
分类号
(IPC1-7):B42
主分类号
(IPC1-7):B42
代理机构
代理人
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