DIFF Subgroup
B22F 3/164 Full Title
Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor > Both compacting and sintering (by forging B22F3/17) > in successive or repeated steps
Of 2 combined children, 0 exist in both systems.
2 codes are CPC-only extensions.
Note: 1 CPC extensions are marked as secondary classification only.