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CIE FRANCAISE DES METAUX
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CIE FRANCAISE DES METAUX
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Publication of ES231901A2publicationCriticalpatent/ES231901A2/es
Mejoras en el objeto de la patente principal, consistentes en conductos de refrigeración para la fabricación de tubos de material plástico, caracterizándose por un conjunto de elementos unidos entre si para formar de uno a otro la pared del conjunto, dejando entre ellos intervalos que constituyen pasos par el líquido refrigerante, que de este modo está en contacto directo con el tubo a enfriar.
ES0231901A1956-04-131956-11-12PERFECCIONAMIENTOS EN MATERIAL DE FABRICACIoN DE TUBOS DE MATERIA PLáSTICA Y MAS PARTICULARMENTE DE POLIAMIDAS
ExpiredES231901A2
(es)