SB-221M
SB-221M (Specification for Aluminum and Aluminum Alloy Extruded Bars, Rods, Wire, Profiles, and Tubes (Metric))· ASME (États-Unis) · 42 matériaux
SB-221M (Specification for Aluminum and Aluminum Alloy Extruded Bars, Rods, Wire, Profiles, and Tubes (Metric))· ASME (États-Unis) · 42 matériaux