_:ne419d80867564c3abe2298871508b369xb4
<http://schema.org/valueRequired>
"true"^^<http://www.w3.org/2001/XMLSchema#boolean>
<https://www.giolocenter.it/cartongesso/lastre-tecniche/resistenza-al-fuoco-e-allumidita/pregydroflam-ba15/>