DIFF Subgroup
B22D 17/2272 Full Title
Pressure die casting or injection die casting, i.e. casting in which the metal is forced into a mould under high pressure > Accessories: Details > Dies (manufacture, see the appropriate class, e.g. B23P15/24); Die plates; Die supports; Cooling equipment for dies; Accessories for loosening and ejecting castings from dies
Of 1 combined children, 0 exist in both systems.
1 codes are CPC-only extensions.