DIN EN 10378
DIN EN 10378 (Welded stainless steel square and rectangular tubes for mechanical and structural engineering and decorative use - Technical delivery conditions)· DIN (Almanya) · 47 malzeme
DIN EN 10378 (Welded stainless steel square and rectangular tubes for mechanical and structural engineering and decorative use - Technical delivery conditions)· DIN (Almanya) · 47 malzeme