FR554456A - Automatic fire alarm - Google Patents

Automatic fire alarm

Info

Publication number
FR554456A
FR554456A FR554456DA FR554456A FR 554456 A FR554456 A FR 554456A FR 554456D A FR554456D A FR 554456DA FR 554456 A FR554456 A FR 554456A
Authority
FR
France
Prior art keywords
fire alarm
automatic fire
automatic
alarm
fire
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
Edouard Bouchaud-Praceiq
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 FR554456A publication Critical patent/FR554456A/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)
FR554456D 1922-07-25 1922-07-25 Automatic fire alarm Expired FR554456A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR554456T 1922-07-25

Publications (1)

Publication Number Publication Date
FR554456A true FR554456A (en) 1923-06-12

Family

ID=8938847

Family Applications (1)

Application Number Title Priority Date Filing Date
FR554456D Expired FR554456A (en) 1922-07-25 1922-07-25 Automatic fire alarm

Country Status (1)

Country Link
FR (1) FR554456A (en)

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