Skip to content
PCE
Search Classifications
Search for IPC and CPC classification codes or keywords
DIFF Subgroup
H04M 3/34

Testing for cross-talk

Introduced: September 1968

Full Title

Automatic or semi-automatic exchanges > Arrangements for supervision, monitoring or testing > with means for applying test signals > Testing for cross-talk

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