BE341572A - - Google Patents

Info

Publication number
BE341572A
BE341572A BE341572DA BE341572A BE 341572 A BE341572 A BE 341572A BE 341572D A BE341572D A BE 341572DA BE 341572 A BE341572 A BE 341572A
Authority
BE
Belgium
Prior art keywords
line
contact
switch
detector
relay
Prior art date
Application number
Other languages
English (en)
French (fr)
Publication of BE341572A publication Critical patent/BE341572A/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)
BE341572D BE341572A (ja)

Publications (1)

Publication Number Publication Date
BE341572A true BE341572A (ja)

Family

ID=18181

Family Applications (1)

Application Number Title Priority Date Filing Date
BE341572D BE341572A (ja)

Country Status (1)

Country Link
BE (1) BE341572A (ja)

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