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ESPINOS Y ALBORS EUGENIO
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ESPINOS Y ALBORS EUGENIO
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Priority to ES1877005731ApriorityCriticalpatent/ES5731H1/es
Publication of ES5731H1publicationCriticalpatent/ES5731H1/es
Un sistema de tubinserción para hacer disminuirr la gravedad específica de toda clase de maderas, pastas y otros materiales aplicados a las construcciones terrestres y navales.