BE630958A - - Google Patents

Info

Publication number
BE630958A
BE630958A BE630958DA BE630958A BE 630958 A BE630958 A BE 630958A BE 630958D A BE630958D A BE 630958DA BE 630958 A BE630958 A BE 630958A
Authority
BE
Belgium
Prior art keywords
reading
relay
circuits
pads
contact
Prior art date
Application number
Other languages
English (en)
French (fr)
Publication of BE630958A publication Critical patent/BE630958A/fr

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B3/00—Audible signalling systems; Audible personal calling systems
    • G08B3/10—Audible signalling systems; Audible personal calling systems using electric transmission; using electromagnetic transmission

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
  • Safety Devices In Control Systems (AREA)
BE630958D BE630958A (c_deeref_Disk_and_Scratch_Disk_Pools_and_Their_Defaults.html)

Publications (1)

Publication Number Publication Date
BE630958A true BE630958A (c_deeref_Disk_and_Scratch_Disk_Pools_and_Their_Defaults.html)

Family

ID=199683

Family Applications (1)

Application Number Title Priority Date Filing Date
BE630958D BE630958A (c_deeref_Disk_and_Scratch_Disk_Pools_and_Their_Defaults.html)

Country Status (1)

Country Link
BE (1) BE630958A (c_deeref_Disk_and_Scratch_Disk_Pools_and_Their_Defaults.html)

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