B23B 39/161 — IPC vs CPC Diff | Patent Classification Explorer

DIFF Subgroup

B23B 39/161

Full Title

General-purpose boring or drilling machines or devices; Sets of boring and/or drilling machines > Drilling machines with a plurality of working-spindles; Drilling automatons

Of 5 combined children, 0 exist in both systems.

5 codes are CPC-only extensions.

This code exists only in CPC.

Diff view requires codes present in both systems.

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