<https://i-dom24.pl/czujnik-gazu-tlenku-wegla-dg-1-co-czad-satel,3,6769,3778>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://i-dom24.pl/czujnik-gazu-ziemnego-dg-1-me-metan-satel,3,8273,2000>