B31D 1/023 — IPC vs CPC Diff | Patent Classification Explorer

DIFF Subgroup

B31D 1/023

Full Title

Multiple-step processes for making flat articles > the articles being labels or tags

Of 1 combined children, 0 exist in both systems.

1 codes are CPC-only extensions.

This code exists only in CPC.

Diff view requires codes present in both systems.