NF EN 10378
NF EN 10378 (Welded stainless steel square and rectangular tubes for mechanical and structural engineering and decorative use - Technical delivery conditions)· AFNOR NF (França) · 46 materiais
NF EN 10378 (Welded stainless steel square and rectangular tubes for mechanical and structural engineering and decorative use - Technical delivery conditions)· AFNOR NF (França) · 46 materiais