ES158946A1 - Nuevo sistema de encuadernación desmontable para la formación de libras, bloques y análogos, por medio de la sujeción de cuadernos o pliegos
- Google Patents
Nuevo sistema de encuadernación desmontable para la formación de libras, bloques y análogos, por medio de la sujeción de cuadernos o pliegos
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Gortarredona Serra Crispulo
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Gortarredona Serra Crispulo
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ES158946A1942-10-031942-10-03Nuevo sistema de encuadernación desmontable para la formación de libras, bloques y análogos, por medio de la sujeción de cuadernos o pliegos
ExpiredES158946A1
(es)