FR997683A - Disaster warning device - Google Patents
Disaster warning deviceInfo
- Publication number
- FR997683A FR997683A FR997683DA FR997683A FR 997683 A FR997683 A FR 997683A FR 997683D A FR997683D A FR 997683DA FR 997683 A FR997683 A FR 997683A
- Authority
- FR
- France
- Prior art keywords
- warning device
- disaster warning
- disaster
- warning
- 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
- G08B25/00—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems
- G08B25/12—Manually actuated calamity alarm transmitting arrangements emergency non-personal manually actuated alarm, activators, e.g. details of alarm push buttons mounted on an infrastructure
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 |
---|---|---|---|
FR997683T | 1949-10-18 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR997683A true FR997683A (en) | 1952-01-09 |
Family
ID=9558837
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR997683D Expired FR997683A (en) | 1949-10-18 | 1949-10-18 | Disaster warning device |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR997683A (en) |
-
1949
- 1949-10-18 FR FR997683D patent/FR997683A/en not_active Expired
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