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PCE
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DIFF Subgroup
B21D 28/18

Yieldable, e.g. rubber, punching pads

Introduced: September 1968

Full Title

Full titles differ between systems:

IPC:

Shaping by press-cutting; Perforating > Punching blanks or articles with or without obtaining scrap; Notching > Yieldable, e.g. rubber, punching pads

CPC:

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 > Yieldable, e.g. rubber, punching pads

No child classifications to compare. This is a leaf node in both IPC and CPC.