DIFF Subgroup
B21C 23/212 Full Title
Extruding metal; Impact extrusion > Presses specially adapted for extruding metal
Of 2 combined children, 0 exist in both systems.
2 codes are CPC-only extensions.
B21C 23/212 Extruding metal; Impact extrusion > Presses specially adapted for extruding metal
Of 2 combined children, 0 exist in both systems.
2 codes are CPC-only extensions.