PN EN 10217-7
PN EN 10217-7 (Welded steel tubes for pressure purposes - Technical delivery conditions - Part 7: Stainless steel tubes)· PN (Poland) · 46 materials
PN EN 10217-7 (Welded steel tubes for pressure purposes - Technical delivery conditions - Part 7: Stainless steel tubes)· PN (Poland) · 46 materials