<https://i-dom24.pl/zestaw-testowy-dg-test-1-do-czujek-gazu-dg-1-me-l,3,6769,6352>
<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>