BE431631A - - Google Patents

Info

Publication number
BE431631A
BE431631A BE431631DA BE431631A BE 431631 A BE431631 A BE 431631A BE 431631D A BE431631D A BE 431631DA BE 431631 A BE431631 A BE 431631A
Authority
BE
Belgium
Prior art keywords
relay
circuit
station
line
subscriber
Prior art date
Application number
Other languages
English (en)
French (fr)
Publication of BE431631A publication Critical patent/BE431631A/fr

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00Data switching networks
    • H04L12/02Details
    • H04L12/04Switchboards

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Interface Circuits In Exchanges (AREA)
BE431631D BE431631A (ja�@�@)

Publications (1)

Publication Number Publication Date
BE431631A true BE431631A (ja�@�@)

Family

ID=91384

Family Applications (1)

Application Number Title Priority Date Filing Date
BE431631D BE431631A (ja�@�@)

Country Status (1)

Country Link
BE (1) BE431631A (ja�@�@)

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