BE343767A - - Google Patents

Info

Publication number
BE343767A
BE343767A BE343767DA BE343767A BE 343767 A BE343767 A BE 343767A BE 343767D A BE343767D A BE 343767DA BE 343767 A BE343767 A BE 343767A
Authority
BE
Belgium
Prior art keywords
circuit
relay
trunk line
semi
automatic
Prior art date
Application number
Other languages
English (en)
French (fr)
Publication of BE343767A publication Critical patent/BE343767A/fr

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M3/00Automatic or semi-automatic exchanges
    • H04M3/60Semi-automatic systems, i.e. in which the numerical selection of the outgoing line is under the control of an operator

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Monitoring And Testing Of Exchanges (AREA)
BE343767D BE343767A (en, 2012)

Publications (1)

Publication Number Publication Date
BE343767A true BE343767A (en, 2012)

Family

ID=20033

Family Applications (1)

Application Number Title Priority Date Filing Date
BE343767D BE343767A (en, 2012)

Country Status (1)

Country Link
BE (1) BE343767A (en, 2012)

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