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1. Elemento perfeccionado para la formación de puertas y ventanas enrollables, caracterizado esencialmente por el hecho de estar constituido por dos secciones de un mismo perfil, las cuales forman conjunto merced al encaje de sus bases longitudinales, al disponerse una de dichas secciones girada 180 grados con respecto a la otra, resultando entre las paredes de ambas secciones un hueco o cavidad relleno de un material aislante al calor y sonido.
ES1977229914U1977-07-111977-07-11Elemento perfeccionado para la formacion de puertas y venta-nas enrrollables.
PendingES229914U
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