FR1121197A - Dispositif d'alarme - Google Patents

Dispositif d'alarme

Info

Publication number
FR1121197A
FR1121197A FR1121197DA FR1121197A FR 1121197 A FR1121197 A FR 1121197A FR 1121197D A FR1121197D A FR 1121197DA FR 1121197 A FR1121197 A FR 1121197A
Authority
FR
France
Prior art keywords
alarm device
alarm
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
Other languages
English (en)
Inventor
Pierre-Jean-Jacques Ulmann
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed filed Critical
Application granted granted Critical
Publication of FR1121197A publication Critical patent/FR1121197A/fr
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B17/00—Fire alarms; Alarms responsive to explosion
    • G08B17/02—Mechanical actuation of the alarm, e.g. by the breaking of a wire

Landscapes

  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR1121197D 1955-02-09 1955-02-09 Dispositif d'alarme Expired FR1121197A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1121197T 1955-02-09

Publications (1)

Publication Number Publication Date
FR1121197A true FR1121197A (fr) 1956-07-24

Family

ID=9631950

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1121197D Expired FR1121197A (fr) 1955-02-09 1955-02-09 Dispositif d'alarme

Country Status (1)

Country Link
FR (1) FR1121197A (fr)

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