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PCE
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CPC Subgroup
H04Q 3/24

for line finders

Full Title

Selecting arrangements (H04Q5/00 - H04Q11/00 take precedence) > Circuit arrangements for first stage of hunting switching > for line finders

2 direct subcodes

Child Classifications

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  • H04Q 3/26 comprising common calling and disconnecting circuit
  • H04Q 3/28 comprising main groups and subgroups