BE438878A - - Google Patents

Info

Publication number
BE438878A
BE438878A BE438878DA BE438878A BE 438878 A BE438878 A BE 438878A BE 438878D A BE438878D A BE 438878DA BE 438878 A BE438878 A BE 438878A
Authority
BE
Belgium
Prior art keywords
office
recorder
call
relay
group
Prior art date
Application number
Other languages
English (en)
French (fr)
Publication of BE438878A publication Critical patent/BE438878A/fr

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04QSELECTING
    • H04Q3/00Selecting arrangements

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Meter Arrangements (AREA)
BE438878D BE438878A (https=)

Publications (1)

Publication Number Publication Date
BE438878A true BE438878A (https=)

Family

ID=96994

Family Applications (1)

Application Number Title Priority Date Filing Date
BE438878D BE438878A (https=)

Country Status (1)

Country Link
BE (1) BE438878A (https=)

Similar Documents

Publication Publication Date Title
BE438878A (https=)
CH238065A (fr) Installation téléphonique.
CH238238A (fr) Régénérateur électromécanique d'impulsions.
BE434750A (https=)
BE418968A (https=)
CH238064A (fr) Installation téléphonique.
BE473602A (https=)
BE411026A (https=)
BE474612A (https=)
BE475418A (https=)
BE436776A (https=)
BE476274A (https=)
BE535414A (https=)
BE432817A (https=)
BE383096A (https=)
BE475355A (https=)
CH197731A (fr) Installation de téléphonie.
CH197444A (fr) Installation de téléphonie à longues distances.
BE434775A (https=)
CH137598A (fr) Installation téléphonique automatique.
BE491463A (https=)
BE413526A (https=)
BE341573A (https=)
BE384554A (https=)
BE355261A (https=)