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Individual
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Individual
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Tubo flexible esencialmente caracterizado porque su pared presenta en toda su longitud una sucesión de inflexiones que determinan la formación alternativamente de canales y resaltes anulares que se corresponden por ambas caras externa e interna del tubo de manera que estando constituido por materia rígida moldeada proporcionan al mismo flexibilidad para su curvatura.