CPC Subgroup
B21D 28/06 Making more than one part out of the same blank; Scrapless working
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 > Making more than one part out of the same blank; Scrapless working
1 direct subcode
Child Classifications
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- B21D 28/08 Zig-zag sequence working