BE427896A - - Google Patents

Info

Publication number
BE427896A
BE427896A BE427896DA BE427896A BE 427896 A BE427896 A BE 427896A BE 427896D A BE427896D A BE 427896DA BE 427896 A BE427896 A BE 427896A
Authority
BE
Belgium
Prior art keywords
office
telephone system
relay
offices
signal
Prior art date
Application number
Other languages
English (en)
French (fr)
Publication of BE427896A publication Critical patent/BE427896A/fr

Links

Classifications

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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Sub-Exchange Stations And Push- Button Telephones (AREA)
  • Exchange Systems With Centralized Control (AREA)
BE427896D BE427896A (ja�@�@)

Publications (1)

Publication Number Publication Date
BE427896A true BE427896A (ja�@�@)

Family

ID=88377

Family Applications (1)

Application Number Title Priority Date Filing Date
BE427896D BE427896A (ja�@�@)

Country Status (1)

Country Link
BE (1) BE427896A (ja�@�@)

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