FR546905A - Appareil avertisseur d'incendie - Google Patents

Appareil avertisseur d'incendie

Info

Publication number
FR546905A
FR546905A FR546905DA FR546905A FR 546905 A FR546905 A FR 546905A FR 546905D A FR546905D A FR 546905DA FR 546905 A FR546905 A FR 546905A
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
English (en)
Inventor
Nerva Foezon
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 FR546905A publication Critical patent/FR546905A/fr
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
    • G01K3/00—Thermometers giving results other than momentary value of temperature
    • G01K3/08—Thermometers giving results other than momentary value of temperature giving differences of values; giving differentiated values
    • G01K3/10—Thermometers giving results other than momentary value of temperature giving differences of values; giving differentiated values in respect of time, e.g. reacting only to a quick change of temperature
    • G01K3/12—Thermometers giving results other than momentary value of temperature giving differences of values; giving differentiated values in respect of time, e.g. reacting only to a quick change of temperature based upon expansion or contraction of materials

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR546905D 1922-02-07 1922-02-07 Appareil avertisseur d'incendie Expired FR546905A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR546905T 1922-02-07

Publications (1)

Publication Number Publication Date
FR546905A true FR546905A (fr) 1922-11-27

Family

ID=8933839

Family Applications (1)

Application Number Title Priority Date Filing Date
FR546905D Expired FR546905A (fr) 1922-02-07 1922-02-07 Appareil avertisseur d'incendie

Country Status (1)

Country Link
FR (1) FR546905A (fr)

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