BE372233A - - Google Patents

Info

Publication number
BE372233A
BE372233A BE372233DA BE372233A BE 372233 A BE372233 A BE 372233A BE 372233D A BE372233D A BE 372233DA BE 372233 A BE372233 A BE 372233A
Authority
BE
Belgium
Prior art keywords
relay
connection
pulses
conversation
alternating current
Prior art date
Application number
Other languages
English (en)
French (fr)
Publication of BE372233A publication Critical patent/BE372233A/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)
BE372233D BE372233A (ja�@�@)

Publications (1)

Publication Number Publication Date
BE372233A true BE372233A (ja�@�@)

Family

ID=43370

Family Applications (1)

Application Number Title Priority Date Filing Date
BE372233D BE372233A (ja�@�@)

Country Status (1)

Country Link
BE (1) BE372233A (ja�@�@)

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