BE415247A - - Google Patents

Info

Publication number
BE415247A
BE415247A BE415247DA BE415247A BE 415247 A BE415247 A BE 415247A BE 415247D A BE415247D A BE 415247DA BE 415247 A BE415247 A BE 415247A
Authority
BE
Belgium
Prior art keywords
relay
circuit
group
brushes
telephone system
Prior art date
Application number
Other languages
English (en)
French (fr)
Publication of BE415247A publication Critical patent/BE415247A/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)
BE415247D BE415247A (https=)

Publications (1)

Publication Number Publication Date
BE415247A true BE415247A (https=)

Family

ID=78405

Family Applications (1)

Application Number Title Priority Date Filing Date
BE415247D BE415247A (https=)

Country Status (1)

Country Link
BE (1) BE415247A (https=)

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