BE395663A - - Google Patents

Info

Publication number
BE395663A
BE395663A BE395663DA BE395663A BE 395663 A BE395663 A BE 395663A BE 395663D A BE395663D A BE 395663DA BE 395663 A BE395663 A BE 395663A
Authority
BE
Belgium
Prior art keywords
automatic
contacts
semi
relay
installation
Prior art date
Application number
Other languages
English (en)
French (fr)
Publication of BE395663A publication Critical patent/BE395663A/fr

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04QSELECTING
    • H04Q1/00Details of selecting apparatus or arrangements
    • H04Q1/18Electrical details
    • H04Q1/20Testing circuits or apparatus; Circuits or apparatus for detecting, indicating, or signalling faults or troubles
    • H04Q1/22Automatic arrangements
    • H04Q1/24Automatic arrangements for connection devices

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Structure Of Telephone Exchanges (AREA)
BE395663D BE395663A (https=)

Publications (1)

Publication Number Publication Date
BE395663A true BE395663A (https=)

Family

ID=62670

Family Applications (1)

Application Number Title Priority Date Filing Date
BE395663D BE395663A (https=)

Country Status (1)

Country Link
BE (1) BE395663A (https=)

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