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Individual
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Individual
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Priority to ES90931UpriorityCriticalpatent/ES90931Y/es
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Publication of ES90931YpublicationCriticalpatent/ES90931Y/es
Un tubo flexible, realizado mediante el arrollamiento helicoidal de un perfil en materia plástica con espiras enganchadas recíprocamente, caracterizado por el hecho de que la sección del perfil tiene una zona central plana, un borde agruesado con un asiento y una horquilla sobre el lado opuesto, provista de un diente vuelto hacia el interior para el enganche del borde agruesado de la espira adyacente del perfil.