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Neumático antideslizante, cuya superficie de rodamiento consiste esencialmente de tres fajas, una central fuerte y maciza y dos laterales, con dispositivos antideslizantes a base de grupos de láminas que presentan el canto libre al contacto del suelo, caracterizado por el reparto de los grupos antideslizantes en tal forma que siempre corresponde a un grupo ordenado en sentido transversal en un lado, otro grupo ordenado en sentido longitudinal en el otro lado o viceversa.
Perfeccionamientos en los tachones, placas o pernos, empleados para formar líneas o señales para la circulación o paso por calzadas, caminos, pisos y lugares semejantes.