CPC Subgroup
B21D 28/14 Dies (ejecting or stripping-off devices arranged in punching machines or tools B21D45/00)
Full Title
Shaping by press-cutting; Perforating > Punching blanks or articles with or without obtaining scrap (cutting nails or pins from strips or sheet material B21G3/26); Notching > Dies (ejecting or stripping-off devices arranged in punching machines or tools B21D45/00)
1 direct subcode
Child Classifications
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