FR51919E - Perfectionnements aux lampes éclair - Google Patents
Perfectionnements aux lampes éclairInfo
- Publication number
- FR51919E FR51919E FR51919DA FR51919E FR 51919 E FR51919 E FR 51919E FR 51919D A FR51919D A FR 51919DA FR 51919 E FR51919 E FR 51919E
- 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 |
---|---|---|---|
FR51919T | 1942-01-15 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR51919E true FR51919E (fr) | 1943-05-25 |
Family
ID=8686667
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR51919D Expired FR51919E (fr) | 1942-01-15 | 1942-01-15 | Perfectionnements aux lampes éclair |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR51919E (fr) |
-
1942
- 1942-01-15 FR FR51919D patent/FR51919E/fr not_active Expired
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