<https://serior.com/#website>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://serior.com/producto/lr2110-8et-120-switch-rango-temp-extendida-epoe-8-puertos-10-100-1-uplink-gigabit-1-sfp-802-3at-120w-layer-2-modo-epoe-800m/>