B21D 17/025 — IPC vs CPC Diff | Patent Classification Explorer

DIFF Subgroup

B21D 17/025

Full Title

Forming single grooves in sheet metal or tubular or hollow articles > by pressing (grooving or notching of bolts, studs, or the like B21K1/54)

This code exists only in CPC.

Diff view requires codes present in both systems.