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PCE
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DIFF Subgroup
H04B 14/08

characterised by the use of a sub-carrier

Introduced: January 1985

Full Title

Full titles differ between systems:

IPC:

Transmission systems not characterised by the medium used for transmission > characterised by the use of a sub-carrier

CPC:

Transmission systems not characterised by the medium used for transmission (details thereof H04B1/00) > characterised by the use of a sub-carrier

No child classifications to compare. This is a leaf node in both IPC and CPC.