BS EN 10378
BS EN 10378 (Welded stainless steel square and rectangular tubes for mechanical and structural engineering and decorative use - Technical delivery conditions)· B.S. (Birleşik Krallık) · 46 malzeme
BS EN 10378 (Welded stainless steel square and rectangular tubes for mechanical and structural engineering and decorative use - Technical delivery conditions)· B.S. (Birleşik Krallık) · 46 malzeme