FR938314A - Improvements relating to electrical indicating devices - Google Patents
Improvements relating to electrical indicating devicesInfo
- Publication number
- FR938314A FR938314A FR938314DA FR938314A FR 938314 A FR938314 A FR 938314A FR 938314D A FR938314D A FR 938314DA FR 938314 A FR938314 A FR 938314A
- Authority
- FR
- France
- Prior art keywords
- improvements relating
- indicating devices
- electrical indicating
- electrical
- devices
- 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
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
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 |
---|---|---|---|
US938314XA | 1945-04-17 | 1945-04-17 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR938314A true FR938314A (en) | 1948-09-10 |
Family
ID=22241035
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR938314D Expired FR938314A (en) | 1945-04-17 | 1946-08-16 | Improvements relating to electrical indicating devices |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR938314A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2710377A (en) * | 1955-06-07 | pfeffer |
-
1946
- 1946-08-16 FR FR938314D patent/FR938314A/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2710377A (en) * | 1955-06-07 | pfeffer |
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