DIFF Subgroup
H04L 13/18 of receivers
Introduced: September 1968
Full Title
Full titles differ between systems:
IPC:
Details of the apparatus or circuits covered by groups or > of receivers
CPC:
Details of the apparatus or circuits covered by groups H04L15/00 or H04L17/00 > of receivers
Of 3 combined children, 0 exist in both systems.
3 codes are CPC-only extensions.
Child Classifications
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