FR1178649A - Fire alarm - Google Patents

Fire alarm

Info

Publication number
FR1178649A
FR1178649A FR1178649DA FR1178649A FR 1178649 A FR1178649 A FR 1178649A FR 1178649D A FR1178649D A FR 1178649DA FR 1178649 A FR1178649 A FR 1178649A
Authority
FR
France
Prior art keywords
fire alarm
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
Austin Robert Baer
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 FR1178649A publication Critical patent/FR1178649A/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
    • G08B17/04—Hydraulic or pneumatic actuation of the alarm, e.g. by change of fluid pressure

Landscapes

  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • General Physics & Mathematics (AREA)
FR1178649D 1957-07-04 1957-07-04 Fire alarm Expired FR1178649A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1178649T 1957-07-04

Publications (1)

Publication Number Publication Date
FR1178649A true FR1178649A (en) 1959-05-13

Family

ID=9660815

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1178649D Expired FR1178649A (en) 1957-07-04 1957-07-04 Fire alarm

Country Status (1)

Country Link
FR (1) FR1178649A (en)

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