Skip to content
PCE
Search Classifications
Search for IPC and CPC classification codes or keywords
CPC Subgroup
H04Q 3/10

for PBX selectors, i.e. private branch exchange selectors

Full Title

Selecting arrangements (H04Q5/00 - H04Q11/00 take precedence) > Circuit arrangements for receivers of routing digits > for PBX selectors, i.e. private branch exchange selectors