B22D 21/04 Casting aluminium or magnesium
Introduced: September 1968
Full Title
Full titles differ between systems:
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 > Casting aluminium or magnesium
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) > Casting aluminium or magnesium
No child classifications to compare. This is a leaf node in both IPC and CPC.