FR697919A - Fire alarm - Google Patents

Fire alarm

Info

Publication number
FR697919A
FR697919A FR697919DA FR697919A FR 697919 A FR697919 A FR 697919A FR 697919D A FR697919D A FR 697919DA FR 697919 A FR697919 A FR 697919A
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)
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of FR697919A publication Critical patent/FR697919A/en
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
FR697919D 1929-06-26 1930-06-26 Fire alarm Expired FR697919A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE697919X 1929-06-26

Publications (1)

Publication Number Publication Date
FR697919A true FR697919A (en) 1931-01-23

Family

ID=6608057

Family Applications (1)

Application Number Title Priority Date Filing Date
FR697919D Expired FR697919A (en) 1929-06-26 1930-06-26 Fire alarm

Country Status (1)

Country Link
FR (1) FR697919A (en)

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