MSZ EN 10378
MSZ EN 10378 (Welded stainless steel square and rectangular tubes for mechanical and structural engineering and decorative use - Technical delivery conditions)· MSZ (匈牙利) · 46 种材料
MSZ EN 10378 (Welded stainless steel square and rectangular tubes for mechanical and structural engineering and decorative use - Technical delivery conditions)· MSZ (匈牙利) · 46 种材料