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DIFF Subgroup
B21G 3/12

Upsetting; Forming heads

Introduced: September 1968

Full Title

Full titles differ between systems:

IPC:

Making pins, nails, or the like > Upsetting; Forming heads

CPC:

Making pins, nails, or the like (of pins with individual caps B21G5/00; of U-like shape B21G7/00; of split-pins B21G7/08) > Upsetting; Forming heads

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