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Individual
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Individual
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Priority to ES0010369UpriorityCriticalpatent/ES10369Y/es
Publication of ES10369UpublicationCriticalpatent/ES10369U/es
Application grantedgrantedCritical
Publication of ES10369YpublicationCriticalpatent/ES10369Y/es
"Un tubo elástico de chapa ondulada y soldada, con refuerzo protección de hormigón armado", constituido por un tubo estanco y elástico de chapa ondulada (III), cuyos bordes están unidos con soldadura eléctrica o autógena para evitar las fugas del contenido; protegido y reforzado por dos capas de hormigón armado, exterior (I y II) e interior (IV y V).
ES0010369U1944-07-281944-07-28Tubo elástico de chapa ondulada y soldada con refuerzo protección de hormigón armado.
ExpiredES10369Y
(es)