BE474612A - - Google Patents

Info

Publication number
BE474612A
BE474612A BE474612DA BE474612A BE 474612 A BE474612 A BE 474612A BE 474612D A BE474612D A BE 474612DA BE 474612 A BE474612 A BE 474612A
Authority
BE
Belgium
Prior art keywords
relay
sep
contact
circuit
conductor
Prior art date
Application number
Other languages
English (en)
French (fr)
Publication of BE474612A publication Critical patent/BE474612A/fr

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04QSELECTING
    • H04Q3/00Selecting arrangements
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M15/00Arrangements for metering, time-control or time indication ; Metering, charging or billing arrangements for voice wireline or wireless communications, e.g. VoIP
    • H04M15/04Recording calls, or communications in printed, perforated or other permanent form

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Interface Circuits In Exchanges (AREA)
BE474612D BE474612A (cs)

Publications (1)

Publication Number Publication Date
BE474612A true BE474612A (cs)

Family

ID=123570

Family Applications (1)

Application Number Title Priority Date Filing Date
BE474612D BE474612A (cs)

Country Status (1)

Country Link
BE (1) BE474612A (cs)

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