<http://schema.org/mpn>
"M9T27ES"^^<http://www.w3.org/2001/XMLSchema#string>
<https://www.mironet.cz/hp-probook-450-g2-i55200u-156quot-fhd-intel-hd-4gb-500gb-dvdrw-wifibt-win81-pro-downgraded-cerna+dp237687/>