BE423857A - - Google Patents

Info

Publication number
BE423857A
BE423857A BE423857DA BE423857A BE 423857 A BE423857 A BE 423857A BE 423857D A BE423857D A BE 423857DA BE 423857 A BE423857 A BE 423857A
Authority
BE
Belgium
Prior art keywords
relay
circuit
line
contact
telephony system
Prior art date
Application number
Other languages
English (en)
French (fr)
Publication of BE423857A publication Critical patent/BE423857A/fr

Links

Classifications

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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Interface Circuits In Exchanges (AREA)
BE423857D BE423857A (de)

Publications (1)

Publication Number Publication Date
BE423857A true BE423857A (de)

Family

ID=85226

Family Applications (1)

Application Number Title Priority Date Filing Date
BE423857D BE423857A (de)

Country Status (1)

Country Link
BE (1) BE423857A (de)

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