<https://krepim.com/product/bolt-s-shestigrannoj-golovkoj-din-933-1050-100sht-up>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://krepim.com/product/bolt-s-shestigrannoj-golovkoj-din-933-1050-100sht-up>