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<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://community.roku.com/t5/Discussions/N%C3%A3o-estou-conseguindo-configurar-um-dispositivo-caixa-de-som-na-tv-Algu%C3%A9m-pode-me-ajudar/td-p/667588>