BE495860A - - Google Patents

Info

Publication number
BE495860A
BE495860A BE495860DA BE495860A BE 495860 A BE495860 A BE 495860A BE 495860D A BE495860D A BE 495860DA BE 495860 A BE495860 A BE 495860A
Authority
BE
Belgium
Prior art keywords
line
button
buttons
station
guard
Prior art date
Application number
Other languages
English (en)
French (fr)
Publication of BE495860A publication Critical patent/BE495860A/fr

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M1/00Substation equipment, e.g. for use by subscribers
    • H04M1/80Telephone line holding circuits

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Telephone Set Structure (AREA)
BE495860D BE495860A (enrdf_load_stackoverflow)

Publications (1)

Publication Number Publication Date
BE495860A true BE495860A (enrdf_load_stackoverflow)

Family

ID=139238

Family Applications (1)

Application Number Title Priority Date Filing Date
BE495860D BE495860A (enrdf_load_stackoverflow)

Country Status (1)

Country Link
BE (1) BE495860A (enrdf_load_stackoverflow)

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