FR827621A - Perfectionnements aux lampes-éclair - Google Patents
Perfectionnements aux lampes-éclairInfo
- Publication number
- FR827621A FR827621A FR827621DA FR827621A FR 827621 A FR827621 A FR 827621A FR 827621D A FR827621D A FR 827621DA FR 827621 A FR827621 A FR 827621A
- Authority
- FR
- France
- Prior art keywords
- flashlight
- flashlight improvements
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21K—NON-ELECTRIC LIGHT SOURCES USING LUMINESCENCE; LIGHT SOURCES USING ELECTROCHEMILUMINESCENCE; LIGHT SOURCES USING CHARGES OF COMBUSTIBLE MATERIAL; LIGHT SOURCES USING SEMICONDUCTOR DEVICES AS LIGHT-GENERATING ELEMENTS; LIGHT SOURCES NOT OTHERWISE PROVIDED FOR
- F21K5/00—Light sources using charges of combustible material, e.g. illuminating flash devices
- F21K5/02—Light sources using charges of combustible material, e.g. illuminating flash devices ignited in a non-disrupting container, e.g. photo-flash bulb
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US827621XA | 1936-10-08 | 1936-10-08 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR827621A true FR827621A (fr) | 1938-04-29 |
Family
ID=22173284
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR827621D Expired FR827621A (fr) | 1936-10-08 | 1937-10-18 | Perfectionnements aux lampes-éclair |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR827621A (fr) |
-
1937
- 1937-10-18 FR FR827621D patent/FR827621A/fr not_active Expired
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| FR825438A (fr) | Perfectionnements aux radiophares | |
| FR822559A (fr) | Perfectionnements aux silencieux | |
| FR822684A (fr) | Perfectionnements aux ventilateurs | |
| FR807422A (fr) | Glacière | |
| FR812641A (fr) | Perfectionnements aux carburateurs | |
| FR826545A (fr) | Perfectionnements aux tourelles | |
| FR826322A (fr) | Perfectionnements aux tourelles | |
| FR816124A (fr) | Perfectionnements aux brûleurs | |
| FR805078A (fr) | Perfectionnements aux abat-jour | |
| FR804754A (fr) | Perfectionnement aux abat-jour | |
| FR804818A (fr) | Perfectionnements aux accumulateurs | |
| FR819208A (fr) | Perfectionnements aux carburateurs | |
| FR823448A (fr) | Perfectionnements aux brûleurs | |
| FR806916A (fr) | Perfectionnements aux perforatrices | |
| FR835414A (fr) | Perfectionnements aux lampes-éclair | |
| FR835104A (fr) | Perfectionnements aux lampes éclair | |
| FR803930A (fr) | Perfectionnements aux étaux | |
| FR826355A (fr) | Perfectionnements aux paliers | |
| FR817440A (fr) | Perfectionnements aux courroies | |
| FR818976A (fr) | Perfectionnements aux carburateurs | |
| FR821544A (fr) | Perfectionnements aux carburateurs | |
| FR802198A (fr) | Perfectionnements aux carburateurs | |
| FR47879E (fr) | Perfectionnements aux carburateurs | |
| FR818281A (fr) | Perfectionnements aux lampes portatives | |
| FR820732A (fr) | Perfectionnements aux sableuses |