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BE428087A - - Google Patents

Info

Publication number
BE428087A
BE428087A BE428087DA BE428087A BE 428087 A BE428087 A BE 428087A BE 428087D A BE428087D A BE 428087DA BE 428087 A BE428087 A BE 428087A
Authority
BE
Belgium
Prior art keywords
relay
group
telephone system
selector
line
Prior art date
Application number
Other languages
English (en)
French (fr)
Publication of BE428087A publication Critical patent/BE428087A/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)
BE428087D BE428087A (da)

Publications (1)

Publication Number Publication Date
BE428087A true BE428087A (da)

Family

ID=88531

Family Applications (1)

Application Number Title Priority Date Filing Date
BE428087D BE428087A (da)

Country Status (1)

Country Link
BE (1) BE428087A (da)

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