BE470530A - - Google Patents

Info

Publication number
BE470530A
BE470530A BE470530DA BE470530A BE 470530 A BE470530 A BE 470530A BE 470530D A BE470530D A BE 470530DA BE 470530 A BE470530 A BE 470530A
Authority
BE
Belgium
Prior art keywords
relay
circuit
line
sub
exchange
Prior art date
Application number
Other languages
English (en)
French (fr)
Publication of BE470530A publication Critical patent/BE470530A/fr

Links

Classifications

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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Telephonic Communication Services (AREA)
BE470530D BE470530A (pl)

Publications (1)

Publication Number Publication Date
BE470530A true BE470530A (pl)

Family

ID=120668

Family Applications (1)

Application Number Title Priority Date Filing Date
BE470530D BE470530A (pl)

Country Status (1)

Country Link
BE (1) BE470530A (pl)

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