Fijałkowski, StefanStefanFijałkowskiNakonieczny, KrzysztofKrzysztofNakonieczny2024-12-192024-12-191996https://hdl.handle.net/20.500.14629/17460Patenthttps://ewyszukiwarka.pue.uprp.gov.pl/search/pwp-details/P.312308WUP 05/2000BUP 15/1997P.312308Pat.178673