DIFF Subgroup
H04L 12/04 Switchboards
Introduced: January 1990
Full Title
Full titles differ between systems:
IPC:
Data switching networks > Details > Switchboards
CPC:
Data switching networks (interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units G06F13/00) > Details > Switchboards
No child classifications to compare. This is a leaf node in both IPC and CPC.