BE454860A - - Google Patents

Info

Publication number
BE454860A
BE454860A BE454860DA BE454860A BE 454860 A BE454860 A BE 454860A BE 454860D A BE454860D A BE 454860DA BE 454860 A BE454860 A BE 454860A
Authority
BE
Belgium
Prior art keywords
relay
recorder
circuit
line
call
Prior art date
Application number
Other languages
English (en)
French (fr)
Publication of BE454860A publication Critical patent/BE454860A/fr

Links

Classifications

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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Monitoring And Testing Of Exchanges (AREA)
BE454860D BE454860A (en])

Publications (1)

Publication Number Publication Date
BE454860A true BE454860A (en])

Family

ID=108923

Family Applications (1)

Application Number Title Priority Date Filing Date
BE454860D BE454860A (en])

Country Status (1)

Country Link
BE (1) BE454860A (en])

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