<http://schema.org/productID>
"sku:93800906"^^<http://www.w3.org/2001/XMLSchema#string>
<https://www.mironet.cz/hp-color-laserjet-enterprise-m553dn-barevna-a4-3838-ppm-a4-usb2-lan-rj45-duplex+dp234808/>