BE332977A - - Google Patents

Info

Publication number
BE332977A
BE332977A BE332977DA BE332977A BE 332977 A BE332977 A BE 332977A BE 332977D A BE332977D A BE 332977DA BE 332977 A BE332977 A BE 332977A
Authority
BE
Belgium
Prior art keywords
line
relay
circuit
telephone system
lines
Prior art date
Application number
Other languages
English (en)
French (fr)
Publication of BE332977A publication Critical patent/BE332977A/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)
BE332977D BE332977A (https=)

Publications (1)

Publication Number Publication Date
BE332977A true BE332977A (https=)

Family

ID=11822

Family Applications (1)

Application Number Title Priority Date Filing Date
BE332977D BE332977A (https=)

Country Status (1)

Country Link
BE (1) BE332977A (https=)

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