BE391837A - - Google Patents

Info

Publication number
BE391837A
BE391837A BE391837DA BE391837A BE 391837 A BE391837 A BE 391837A BE 391837D A BE391837D A BE 391837DA BE 391837 A BE391837 A BE 391837A
Authority
BE
Belgium
Prior art keywords
telephone
junction
switch
relay
selector
Prior art date
Application number
Other languages
English (en)
French (fr)
Publication of BE391837A publication Critical patent/BE391837A/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)
BE391837D BE391837A (ja)

Publications (1)

Publication Number Publication Date
BE391837A true BE391837A (ja)

Family

ID=59546

Family Applications (1)

Application Number Title Priority Date Filing Date
BE391837D BE391837A (ja)

Country Status (1)

Country Link
BE (1) BE391837A (ja)

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