DIFF Subgroup
B22D 21/025 Full Title
Casting non-ferrous metals or metallic compounds so far as their metallurgical properties are of importance for the casting procedure; Selection of compositions therefor > Casting exceedingly oxidisable non-ferrous metals, e.g. in inert atmosphere (use of inert atmosphere in casting metals in general B22D23/00; apparatus for vacuum casting B22D27/15)