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IPC Subgroup
H04B 3/21

using a set of bandfilters

Introduced: January 1980

Last revised: January 2006

Full Title

Line transmission systems > Details > Reducing echo effects or singing; Opening or closing transmitting path; Conditioning for transmission in one direction or the other > using a set of bandfilters

Classification Context

Section:
ELECTRICITY
Class:
ELECTRIC COMMUNICATION TECHNIQUE
Subclass:
TRANSMISSION