DIFF Subgroup
H04L 12/40052 Full Title
Data switching networks (interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units G06F13/00) > characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks] (wireless communication networks H04W ) > Bus networks
Of 10 combined children, 0 exist in both systems.
10 codes are CPC-only extensions.