BE438042A - - Google Patents

Info

Publication number
BE438042A
BE438042A BE438042DA BE438042A BE 438042 A BE438042 A BE 438042A BE 438042D A BE438042D A BE 438042DA BE 438042 A BE438042 A BE 438042A
Authority
BE
Belgium
Prior art keywords
equipment
relay
circuit
telephone system
telephone
Prior art date
Application number
Other languages
English (en)
French (fr)
Publication of BE438042A publication Critical patent/BE438042A/fr

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M9/00Arrangements for interconnection not involving centralised switching
    • H04M9/001Two-way communication systems between a limited number of parties

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Telephonic Communication Services (AREA)
BE438042D BE438042A (enrdf_load_stackoverflow)

Publications (1)

Publication Number Publication Date
BE438042A true BE438042A (enrdf_load_stackoverflow)

Family

ID=96359

Family Applications (1)

Application Number Title Priority Date Filing Date
BE438042D BE438042A (enrdf_load_stackoverflow)

Country Status (1)

Country Link
BE (1) BE438042A (enrdf_load_stackoverflow)

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