<http://schema.org/availability>
"http://schema.org/InStock"^^<http://www.w3.org/2001/XMLSchema#string>
<https://www.mironet.cz/benq-w1070-dlp-1920-x-1080-2200-ansi-10-0001-2x-hdmi-usb-3d-ready-bily+dp213611/>