DIFF Subgroup
B21C 37/04 of rods or wire
Introduced: September 1968
Full Title
Manufacture of metal sheets, rods, wire, tubes, profiles or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape > of rods or wire
Of 3 combined children, 0 exist in both systems.
3 codes are CPC-only extensions.
Child Classifications
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