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H04M 7/12

Arrangements for interconnection between switching centres for working between exchanges having different types of switching equipment, e.g. power-driven and step by step or decimal and non-decimal

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Edits on 16 Mar, 2022
"update inverses"
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Golden AI
edited on 16 Mar, 2022
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H04M 7/1205
"Entity importer update"
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Golden AI
edited on 16 Mar, 2022
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H04M 7/00
Edits on 5 Mar, 2022
"Created via: Entity Importer"
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Golden AI
created this topic on 5 Mar, 2022
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 H04M 7/12

Arrangements for interconnection between switching centres for working between exchanges having different types of switching equipment, e.g. power-driven and step by step or decimal and non-decimal

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Patent classification
Classification Type
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Cooperative Patent Classification
Website
http://data.epo.org/linked-data/def/cpc/H04M7-12

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