FR616567A - Fire alarm device - Google Patents
Fire alarm deviceInfo
- Publication number
- FR616567A FR616567A FR616567DA FR616567A FR 616567 A FR616567 A FR 616567A FR 616567D A FR616567D A FR 616567DA FR 616567 A FR616567 A FR 616567A
- 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
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)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR616567T | 1925-09-21 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR616567A true FR616567A (en) | 1927-02-04 |
Family
ID=8981674
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR616567D Expired FR616567A (en) | 1925-09-21 | 1925-09-21 | Fire alarm device |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR616567A (en) |
-
1925
- 1925-09-21 FR FR616567D patent/FR616567A/en not_active Expired
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