FR976501A - Improvements to fire alarms - Google Patents

Improvements to fire alarms

Info

Publication number
FR976501A
FR976501A FR976501DA FR976501A FR 976501 A FR976501 A FR 976501A FR 976501D A FR976501D A FR 976501DA FR 976501 A FR976501 A FR 976501A
Authority
FR
France
Prior art keywords
fire alarms
alarms
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)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
P E C O ELECTRICAL CONTRACTORS
Original Assignee
P E C O ELECTRICAL CONTRACTORS
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 by P E C O ELECTRICAL CONTRACTORS filed Critical P E C O ELECTRICAL CONTRACTORS
Application granted granted Critical
Publication of FR976501A publication Critical patent/FR976501A/en
Expired legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G08SIGNALLING
    • G08BSIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B17/00Fire alarms; Alarms responsive to explosion
    • G08B17/06Electric 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)
FR976501D 1948-12-15 1948-12-15 Improvements to fire alarms Expired FR976501A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR976501T 1948-12-15

Publications (1)

Publication Number Publication Date
FR976501A true FR976501A (en) 1951-03-19

Family

ID=9518849

Family Applications (1)

Application Number Title Priority Date Filing Date
FR976501D Expired FR976501A (en) 1948-12-15 1948-12-15 Improvements to fire alarms

Country Status (1)

Country Link
FR (1) FR976501A (en)

Similar Documents

Publication Publication Date Title
FR999683A (en) Improvements to servo-mechanisms
FR1007140A (en) Improvements to turbo-engines
FR63142E (en) Improvements to quartz-metal joints
FR982240A (en) Explosion enhancers
FR1098003A (en) Ridge
FR969618A (en) Improvements to nut locks
FR976501A (en) Improvements to fire alarms
FR992400A (en) Improvements to the hinges
FR977182A (en) Fire detector
FR966121A (en) Ignition switch-distributor
FR969348A (en) Improvements to fire detectors and the like
FR970869A (en) Improvements to the hinges
FR59604E (en) Improvements to fire extinguishers
FR1009329A (en) Sprinklers
FR986360A (en) Spark extinguisher
FR1009270A (en) Improvements to fire alarm systems
FR975004A (en) Carabiner
FR970175A (en) Improvements to turbo-engines
FR988305A (en) Improvements to stapling devices
FR974984A (en) Improvements to plows
FR58293E (en) Musket
FR1012859A (en) Improvements to fire extinguishers
FR1020544A (en) Improvements to fire extinguishers
FR988479A (en) Improvements to inhalers
FR966311A (en) Advanced carburettor