Wolszczak, PiotrPiotrWolszczak2025-05-202025-05-202019https://hdl.handle.net/20.500.14629/18556Patenthttps://ewyszukiwarka.pue.uprp.gov.pl/search/pwp-details/W.132431WUP 20/2025BUP 09/2025W.132431Ru.073908