DIFF Subgroup
B21D 28/002 Full Title
Shaping by press-cutting; Perforating
Of 1 combined children, 0 exist in both systems.
1 codes are CPC-only extensions.
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B21D 28/002 Shaping by press-cutting; Perforating
Of 1 combined children, 0 exist in both systems.
1 codes are CPC-only extensions.