FR421303A - Alarm buzzer - Google Patents
Alarm buzzerInfo
- Publication number
- FR421303A FR421303A FR421303DA FR421303A FR 421303 A FR421303 A FR 421303A FR 421303D A FR421303D A FR 421303DA FR 421303 A FR421303 A FR 421303A
- Authority
- FR
- France
- Prior art keywords
- alarm buzzer
- buzzer
- 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
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B23/00—Alarms responsive to unspecified undesired or abnormal conditions
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 |
---|---|---|---|
FR421303T | 1909-12-17 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR421303A true FR421303A (en) | 1911-02-20 |
Family
ID=1464366
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR421303D Expired FR421303A (en) | 1909-12-17 | 1909-12-17 | Alarm buzzer |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR421303A (en) |
-
1909
- 1909-12-17 FR FR421303D patent/FR421303A/en not_active Expired
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