FR638271A - - Google Patents
Info
- Publication number
- FR638271A FR638271A FR638271DA FR638271A FR 638271 A FR638271 A FR 638271A FR 638271D A FR638271D A FR 638271DA FR 638271 A FR638271 A FR 638271A
- Authority
- FR
- France
- 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
- G08B13/00—Burglar, theft or intruder alarms
- G08B13/02—Mechanical actuation
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR638271A true FR638271A (fr) | 1928-05-21 |
Family
ID=1542637
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR638271D Expired FR638271A (fr) |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR638271A (fr) |
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0
- FR FR638271D patent/FR638271A/fr not_active Expired