H04M 7/0093 — | Patent Classification Explorer

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H
H04
H04M
H04M 7/00
H04M 7/0093

CPC Subgroup

H04M 7/0093

Full Title

Arrangements for interconnection between switching centres

CPC H04M 7/0093

No direct equivalent in IPC

7 CPC-only subgroups

3 IPC-only subgroups

H04M 7/009 H04M 7/0096

Data: WIPO (IPC), EPO/USPTO (CPC) — CC BY 4.0

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