DIFF Subgroup Additional Only
B22F 2303/40 Layer in a composite stack of layers, workpiece or article
Full Title
Functional details of metal or compound in the powder or product, > Layer in a composite stack of layers, workpiece or article
Of 1 combined children, 0 exist in both systems.
1 codes are CPC-only extensions.
Note: 1 CPC extensions are marked as secondary classification only.