Sitnik, WiesławWiesławSitnik2024-10-242024-10-241981https://hdl.handle.net/20.500.14629/8336PublicDomainPompy - Odlewy ze staliwa - Wymagania i badania BN- 80/1380-14IndustryStandardBN-85/2370-06BN-2370-06:198510785application/pdf