DE247370C - - Google Patents
Info
- Publication number
- DE247370C DE247370C DENDAT247370D DE247370DA DE247370C DE 247370 C DE247370 C DE 247370C DE NDAT247370 D DENDAT247370 D DE NDAT247370D DE 247370D A DE247370D A DE 247370DA DE 247370 C DE247370 C DE 247370C
- Authority
- DE
- Germany
- Prior art keywords
- bayonet ring
- lamp
- projections
- pressing
- safety lamp
- 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.)
- Active
Links
- 239000000463 material Substances 0.000 claims description 2
- 239000002253 acid Substances 0.000 description 1
- 239000003517 fume Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000007373 indentation Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21L—LIGHTING DEVICES OR SYSTEMS THEREOF, BEING PORTABLE OR SPECIALLY ADAPTED FOR TRANSPORTATION
- F21L4/00—Electric lighting devices with self-contained electric batteries or cells
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Illuminated Signs And Luminous Advertising (AREA)
- Vessels And Coating Films For Discharge Lamps (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE247370C true DE247370C (cs) |
Family
ID=506162
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT247370D Active DE247370C (cs) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE247370C (cs) |
-
0
- DE DENDAT247370D patent/DE247370C/de active Active
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