BE364933A - - Google Patents

Info

Publication number
BE364933A
BE364933A BE364933DA BE364933A BE 364933 A BE364933 A BE 364933A BE 364933D A BE364933D A BE 364933DA BE 364933 A BE364933 A BE 364933A
Authority
BE
Belgium
Prior art keywords
mark
various
lines
place
electro
Prior art date
Application number
Other languages
English (en)
French (fr)
Publication of BE364933A publication Critical patent/BE364933A/fr

Links

Classifications

    • GPHYSICS
    • G08SIGNALLING
    • G08BSIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B3/00Audible signalling systems; Audible personal calling systems
    • G08B3/10Audible signalling systems; Audible personal calling systems using electric transmission; using electromagnetic transmission
    • G08B3/1008Personal calling arrangements or devices, i.e. paging systems

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
  • Audible And Visible Signals (AREA)
BE364933D BE364933A (enrdf_load_stackoverflow)

Publications (1)

Publication Number Publication Date
BE364933A true BE364933A (enrdf_load_stackoverflow)

Family

ID=37314

Family Applications (1)

Application Number Title Priority Date Filing Date
BE364933D BE364933A (enrdf_load_stackoverflow)

Country Status (1)

Country Link
BE (1) BE364933A (enrdf_load_stackoverflow)

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