GB212489A - - Google Patents

Info

Publication number
GB212489A
GB212489A GB212489DA GB212489A GB 212489 A GB212489 A GB 212489A GB 212489D A GB212489D A GB 212489DA GB 212489 A GB212489 A GB 212489A
Authority
GB
United Kingdom
Prior art keywords
relay
subscriber
wanted
terminals
line
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 GB212489A publication Critical patent/GB212489A/en
Active legal-status Critical Current

Links

Landscapes

  • Telephone Set Structure (AREA)
GB212489D Active GB212489A (enExample)

Publications (1)

Publication Number Publication Date
GB212489A true GB212489A (enExample)

Family

ID=1736032

Family Applications (1)

Application Number Title Priority Date Filing Date
GB212489D Active GB212489A (enExample)

Country Status (1)

Country Link
GB (1) GB212489A (enExample)

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