CPC Subgroup
H04L 12/52 using time division techniques (in digital transmission systems H04L5/22)
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) > Circuit switching systems, i.e. systems in which the path is physically permanent during the communication > using time division techniques (in digital transmission systems H04L5/22)
1 direct subcode
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