FR976501A - Improvements to fire alarms - Google Patents
Improvements to fire alarmsInfo
- 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
Links
Classifications
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B17/00—Fire alarms; Alarms responsive to explosion
- G08B17/06—Electric 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)
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) |
-
1948
- 1948-12-15 FR FR976501D patent/FR976501A/en not_active Expired
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