<https://www.serwisyinternetowe.pl/index.php/2013/01/22/cerrad-producent-plytek/#article>
<http://schema.org/datePublished>
"2013-01-22T09:20:35+01:00"^^<http://schema.org/Date>
<http://www.serwisyinternetowe.pl/index.php/2013/01/22/cerrad-producent-plytek/>