SB-221M
SB-221M (Specification for Aluminum and Aluminum Alloy Extruded Bars, Rods, Wire, Profiles, and Tubes (Metric))· ASME (Stati Uniti) · 42 materiali
SB-221M (Specification for Aluminum and Aluminum Alloy Extruded Bars, Rods, Wire, Profiles, and Tubes (Metric))· ASME (Stati Uniti) · 42 materiali