H05K 3/4688 — IPC vs CPC Diff | Patent Classification Explorer

DIFF Subgroup

H05K 3/4688

Full Title

Apparatus or processes for manufacturing printed circuits > Manufacturing multilayer circuits

Of 2 combined children, 0 exist in both systems.

2 codes are CPC-only extensions.

This code exists only in CPC.

Diff view requires codes present in both systems.