BE488670A - - Google Patents

Info

Publication number
BE488670A
BE488670A BE488670DA BE488670A BE 488670 A BE488670 A BE 488670A BE 488670D A BE488670D A BE 488670DA BE 488670 A BE488670 A BE 488670A
Authority
BE
Belgium
Prior art keywords
tube
contact
relay
potential
switch
Prior art date
Application number
Other languages
English (en)
French (fr)
Publication of BE488670A publication Critical patent/BE488670A/fr

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04QSELECTING
    • H04Q3/00Selecting arrangements
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04QSELECTING
    • H04Q1/00Details of selecting apparatus or arrangements
    • H04Q1/18Electrical details

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Monitoring And Testing Of Exchanges (AREA)
BE488670D BE488670A (https=)

Publications (1)

Publication Number Publication Date
BE488670A true BE488670A (https=)

Family

ID=133807

Family Applications (1)

Application Number Title Priority Date Filing Date
BE488670D BE488670A (https=)

Country Status (1)

Country Link
BE (1) BE488670A (https=)

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