GB139000A - - Google Patents

Info

Publication number
GB139000A
GB139000A GB139000DA GB139000A GB 139000 A GB139000 A GB 139000A GB 139000D A GB139000D A GB 139000DA GB 139000 A GB139000 A GB 139000A
Authority
GB
United Kingdom
Prior art keywords
relay
party
line
connector
calling
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
Other languages
English (en)
Publication of GB139000A publication Critical patent/GB139000A/en
Active legal-status Critical Current

Links

Landscapes

  • Sub-Exchange Stations And Push- Button Telephones (AREA)
GB139000D Active GB139000A (enrdf_load_stackoverflow)

Publications (1)

Publication Number Publication Date
GB139000A true GB139000A (enrdf_load_stackoverflow)

Family

ID=1730300

Family Applications (1)

Application Number Title Priority Date Filing Date
GB139000D Active GB139000A (enrdf_load_stackoverflow)

Country Status (1)

Country Link
GB (1) GB139000A (enrdf_load_stackoverflow)

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