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Publication of ES99657YpublicationCriticalpatent/ES99657Y/es
Escalera plegable, caracterizada por comprender varios tramos articulados por los extremos, teniendo cada uno de ellos por el extremo inferior, un escalón con unos salientes laterales en la parte anterior de la escalera, que actúan de tope de articulación del tramo inmediato inferior, quedando rígida la escalera en la posición desplegada de trabajo y con la posibilidad única de plegarse hacia la parte posterior e interna.