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PCE
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DIFF Subgroup
B21D 28/10

Incompletely punching in such a manner that the parts are still coherent with the work

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 > Incompletely punching in such a manner that the parts are still coherent with the work

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 > Incompletely punching in such a manner that the parts are still coherent with the work

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