FR552843A - Fire alarm device - Google Patents

Fire alarm device

Info

Publication number
FR552843A
FR552843A FR552843DA FR552843A FR 552843 A FR552843 A FR 552843A FR 552843D A FR552843D A FR 552843DA FR 552843 A FR552843 A FR 552843A
Authority
FR
France
Prior art keywords
alarm device
fire alarm
fire
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
French (fr)
Inventor
Leon Ollivier
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 FR552843A publication Critical patent/FR552843A/en
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
    • G08B17/06—Electric actuation of the alarm, e.g. using a thermally-operated switch

Landscapes

  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR552843D 1922-06-14 1922-06-14 Fire alarm device Expired FR552843A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR552843T 1922-06-14

Publications (1)

Publication Number Publication Date
FR552843A true FR552843A (en) 1923-05-08

Family

ID=8937823

Family Applications (1)

Application Number Title Priority Date Filing Date
FR552843D Expired FR552843A (en) 1922-06-14 1922-06-14 Fire alarm device

Country Status (1)

Country Link
FR (1) FR552843A (en)

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